520252331430402 has 48 divisors (see below), whose sum is σ = 1153442276239968. Its totient is φ = 169382332022400.

The previous prime is 520252331430347. The next prime is 520252331430449. The reversal of 520252331430402 is 204034133252025.

520252331430402 is a `hidden beast` number, since 5 + 2 + 0 + 2 + 5 + 233 + 14 + 3 + 0 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57389113 + ... + 65833235.

It is an arithmetic number, because the mean of its divisors is an integer number (24030047421666).

Almost surely, 2^{520252331430402} is an apocalyptic number.

520252331430402 is an abundant number, since it is smaller than the sum of its proper divisors (633189944809566).

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

520252331430402 is a wasteful number, since it uses less digits than its factorization.

520252331430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523775 (or 8523772 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 520252331430402 its reverse (204034133252025), we get a palindrome (724286464682427).

The spelling of 520252331430402 in words is "five hundred twenty trillion, two hundred fifty-two billion, three hundred thirty-one million, four hundred thirty thousand, four hundred two".