520243446 has 32 divisors (see below), whose sum is σ = 1098230400. Its totient is φ = 163840320.

The previous prime is 520243429. The next prime is 520243459. The reversal of 520243446 is 644342025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37186 + ... + 49226.

It is an arithmetic number, because the mean of its divisors is an integer number (34319700).

Almost surely, 2^520243446 is an apocalyptic number.

520243446 is an abundant number, since it is smaller than the sum of its proper divisors (577986954).

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

520243446 is a wasteful number, since it uses less digits than its factorization.

520243446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12444.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 520243446 is about 22808.8457840374. The cubic root of 520243446 is about 804.2706231141.

The spelling of 520243446 in words is "five hundred twenty million, two hundred forty-three thousand, four hundred forty-six".