520057257772 has 48 divisors (see below), whose sum is σ = 987334028352. Its totient is φ = 238260729600.

The previous prime is 520057257743. The next prime is 520057257773. The reversal of 520057257772 is 277752750025.

It is a super-2 number, since 2×520057257772² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520057257773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6324522 + ... + 6406222.

It is an arithmetic number, because the mean of its divisors is an integer number (20569458924).

Almost surely, 2^520057257772 is an apocalyptic number.

520057257772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520057257772 is a deficient number, since it is larger than the sum of its proper divisors (467276770580).

520057257772 is a wasteful number, since it uses less digits than its factorization.

520057257772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82618 (or 82616 counting only the distinct ones).

The product of its (nonzero) digits is 2401000, while the sum is 49.

The spelling of 520057257772 in words is "five hundred twenty billion, fifty-seven million, two hundred fifty-seven thousand, seven hundred seventy-two".