420031052400520 has 32 divisors (see below), whose sum is σ = 1030985310438720. Its totient is φ = 152738564509120.

The previous prime is 420031052400517. The next prime is 420031052400559. The reversal of 420031052400520 is 25004250130024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477308013652 + ... + 477308014531.

It is an arithmetic number, because the mean of its divisors is an integer number (32218290951210).

Almost surely, 2^{420031052400520} is an apocalyptic number.

420031052400520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420031052400520 is an abundant number, since it is smaller than the sum of its proper divisors (610954258038200).

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

420031052400520 is a wasteful number, since it uses less digits than its factorization.

420031052400520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954616028205 (or 954616028201 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 420031052400520 in words is "four hundred twenty trillion, thirty-one billion, fifty-two million, four hundred thousand, five hundred twenty".