39872140800 has 120 divisors (see below), whose sum is σ = 131715251976. Its totient is φ = 10632560640.

The previous prime is 39872140783. The next prime is 39872140817. The reversal of 39872140800 is 804127893.

It is an interprime number because it is at equal distance from previous prime (39872140783) and next prime (39872140817).

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×39872140800² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480769 + ... + 557568.

Almost surely, 2^39872140800 is an apocalyptic number.

39872140800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39872140800 is an abundant number, since it is smaller than the sum of its proper divisors (91843111176).

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

39872140800 is a wasteful number, since it uses less digits than its factorization.

39872140800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038368 (or 1038347 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 39872140800 in words is "thirty-nine billion, eight hundred seventy-two million, one hundred forty thousand, eight hundred".