520533445376 has 36 divisors (see below), whose sum is σ = 1187466926352. Its totient is φ = 223085761536.

The previous prime is 520533445373. The next prime is 520533445499. The reversal of 520533445376 is 673544335025.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 520533445376.

It is not an unprimeable number, because it can be changed into a prime (520533445373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145236335 + ... + 145239918.

Almost surely, 2^520533445376 is an apocalyptic number.

520533445376 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

520533445376 is an abundant number, since it is smaller than the sum of its proper divisors (666933480976).

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

520533445376 is an equidigital number, since it uses as much as digits as its factorization.

520533445376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290476276 (or 290476262 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 47.

The spelling of 520533445376 in words is "five hundred twenty billion, five hundred thirty-three million, four hundred forty-five thousand, three hundred seventy-six".