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40002104324 = 22721397716069
BaseRepresentation
bin100101010000010011…
…111010110000000100
310211020211000110002102
4211100103322300010
51123411014314244
630213211531232
72614201163600
oct452023726004
9124224013072
1040002104324
1115a68166056
127904759b18
133a0663b320
141d16998500
151091ca054e
hex9504fac04

40002104324 has 72 divisors (see below), whose sum is σ = 87792145560. Its totient is φ = 15807826944.

The previous prime is 40002104293. The next prime is 40002104327. The reversal of 40002104324 is 42340120004.

It can be written as a sum of positive squares in 4 ways, for example, as 4307559424 + 35694544900 = 65632^2 + 188930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40002104296 and 40002104305.

It is not an unprimeable number, because it can be changed into a prime (40002104327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2481362 + ... + 2497430.

It is an arithmetic number, because the mean of its divisors is an integer number (1219335355).

Almost surely, 240002104324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40002104324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43896072780).

40002104324 is an abundant number, since it is smaller than the sum of its proper divisors (47790041236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40002104324 is a wasteful number, since it uses less digits than its factorization.

40002104324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17077 (or 17068 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40002104324 its reverse (42340120004), we get a palindrome (82342224328).

The spelling of 40002104324 in words is "forty billion, two million, one hundred four thousand, three hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 977 1274 1954 2548 3908 6839 12701 13678 16069 25402 27356 32138 47873 50804 64276 88907 95746 112483 177814 191492 208897 224966 355628 417794 449932 622349 787381 835588 1244698 1462279 1574762 2489396 2924558 3149524 5849116 10235953 15699413 20471906 31398826 40943812 62797652 109895891 204092369 219791782 408184738 439583564 769271237 816369476 1428646583 1538542474 2857293166 3077084948 5714586332 10000526081 20001052162 40002104324