39900045024 has 144 divisors (see below), whose sum is σ = 137303214048. Its totient is φ = 10729414656.

The previous prime is 39900045001. The next prime is 39900045079. The reversal of 39900045024 is 42054000993.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×39900045024³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 39900045024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547837 + ... + 616380.

It is an arithmetic number, because the mean of its divisors is an integer number (953494542).

Almost surely, 2^39900045024 is an apocalyptic number.

39900045024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39900045024 is an abundant number, since it is smaller than the sum of its proper divisors (97403169024).

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

39900045024 is a wasteful number, since it uses less digits than its factorization.

39900045024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164257 (or 1164246 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 39900045024 in words is "thirty-nine billion, nine hundred million, forty-five thousand, twenty-four".