520274290 has 32 divisors (see below), whose sum is σ = 993590064. Its totient is φ = 195471360.

The previous prime is 520274269. The next prime is 520274299. The reversal of 520274290 is 92472025.

It can be written as a sum of positive squares in 8 ways, for example, as 155426089 + 364848201 = 12467^2 + 19101^2 .

It is not an unprimeable number, because it can be changed into a prime (520274299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89142 + ... + 94798.

Almost surely, 2^520274290 is an apocalyptic number.

520274290 is a deficient number, since it is larger than the sum of its proper divisors (473315774).

520274290 is a wasteful number, since it uses less digits than its factorization.

520274290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 520274290 is about 22809.5219152002. The cubic root of 520274290 is about 804.2865172326.

The spelling of 520274290 in words is "five hundred twenty million, two hundred seventy-four thousand, two hundred ninety".