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40230002124 = 2232133141471439
BaseRepresentation
bin100101011101111001…
…010001110111001100
310211211200211212002200
4211131321101313030
51124342340031444
630251552321500
72622636242634
oct453571216714
9124750755080
1040230002124
1116074873044
127968b43290
133a419127b0
141d38d5d6c4
1510a6cba969
hex95de51dcc

40230002124 has 288 divisors, whose sum is σ = 118351134720. Its totient is φ = 11430374400.

The previous prime is 40230002123. The next prime is 40230002129. The reversal of 40230002124 is 42120003204.

It is a super-2 number, since 2×402300021242 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40230002097 and 40230002106.

It is not an unprimeable number, because it can be changed into a prime (40230002123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27956197 + ... + 27957635.

It is an arithmetic number, because the mean of its divisors is an integer number (410941440).

Almost surely, 240230002124 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 40230002124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59175567360).

40230002124 is an abundant number, since it is smaller than the sum of its proper divisors (78121132596).

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

40230002124 is a wasteful number, since it uses less digits than its factorization.

40230002124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40230002124 its reverse (42120003204), we get a palindrome (82350005328).

The spelling of 40230002124 in words is "forty billion, two hundred thirty million, two thousand, one hundred twenty-four".