Base | Representation |
---|---|
bin | 100101101010111001… |
… | …000001111110110000 |
3 | 10212101220010101001011 |
4 | 211222321001332300 |
5 | 1130314144302010 |
6 | 30325341520304 |
7 | 2631224450302 |
oct | 455271017660 |
9 | 125356111034 |
10 | 40448040880 |
11 | 16176956865 |
12 | 7a09b73094 |
13 | 3a77b44600 |
14 | 1d59cb9972 |
15 | 10baed9a8a |
hex | 96ae41fb0 |
40448040880 has 60 divisors (see below), whose sum is σ = 101832165360. Its totient is φ = 14934656256.
The previous prime is 40448040869. The next prime is 40448040889. The reversal of 40448040880 is 8804084404.
40448040880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×404480408802 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (40448040889) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1482340 + ... + 1509379.
It is an arithmetic number, because the mean of its divisors is an integer number (1697202756).
Almost surely, 240448040880 is an apocalyptic number.
40448040880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40448040880 is an abundant number, since it is smaller than the sum of its proper divisors (61384124480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40448040880 is a wasteful number, since it uses less digits than its factorization.
40448040880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2991758 (or 2991739 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 40.
The spelling of 40448040880 in words is "forty billion, four hundred forty-eight million, forty thousand, eight hundred eighty".
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