520401527420 has 24 divisors (see below), whose sum is σ = 1095568519248. Its totient is φ = 207641504000.

The previous prime is 520401527407. The next prime is 520401527467. The reversal of 520401527420 is 24725104025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32435966 + ... + 32452005.

It is an arithmetic number, because the mean of its divisors is an integer number (45648688302).

Almost surely, 2^520401527420 is an apocalyptic number.

It is an amenable number.

520401527420 is an abundant number, since it is smaller than the sum of its proper divisors (575166991828).

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

520401527420 is a wasteful number, since it uses less digits than its factorization.

520401527420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64888381 (or 64888379 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 520401527420 in words is "five hundred twenty billion, four hundred one million, five hundred twenty-seven thousand, four hundred twenty".