520272868731 has 32 divisors (see below), whose sum is σ = 865211867136. Its totient is φ = 270164532000.

The previous prime is 520272868669. The next prime is 520272868733. The reversal of 520272868731 is 137868272025.

It is not a de Polignac number, because 520272868731 - 2⁶ = 520272868667 is a prime.

It is a super-2 number, since 2×520272868731² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520272868733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139726 + ... + 1029596.

It is an arithmetic number, because the mean of its divisors is an integer number (27037870848).

Almost surely, 2^520272868731 is an apocalyptic number.

520272868731 is a deficient number, since it is larger than the sum of its proper divisors (344938998405).

520272868731 is a wasteful number, since it uses less digits than its factorization.

520272868731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892423.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 520272868731 in words is "five hundred twenty billion, two hundred seventy-two million, eight hundred sixty-eight thousand, seven hundred thirty-one".