39540504832 has 144 divisors (see below), whose sum is σ = 85734190080. Its totient is φ = 18150967296.

The previous prime is 39540504827. The next prime is 39540504851. The reversal of 39540504832 is 23840504593.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14936533 + ... + 14939179.

It is an arithmetic number, because the mean of its divisors is an integer number (595376320).

Almost surely, 2^39540504832 is an apocalyptic number.

39540504832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39540504832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42867095040).

39540504832 is an abundant number, since it is smaller than the sum of its proper divisors (46193685248).

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

39540504832 is a wasteful number, since it uses less digits than its factorization.

39540504832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 39540504832 in words is "thirty-nine billion, five hundred forty million, five hundred four thousand, eight hundred thirty-two".