633426560880 has 80 divisors (see below), whose sum is σ = 1963709210400. Its totient is φ = 168906276864.

The previous prime is 633426560869. The next prime is 633426560881. The reversal of 633426560880 is 88065624336.

633426560880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633426560881) 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, 7312704 + ... + 7398816.

It is an arithmetic number, because the mean of its divisors is an integer number (24546365130).

Almost surely, 2^633426560880 is an apocalyptic number.

633426560880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

633426560880 is an abundant number, since it is smaller than the sum of its proper divisors (1330282649520).

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

633426560880 is a wasteful number, since it uses less digits than its factorization.

633426560880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116778 (or 116772 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 633426560880 in words is "six hundred thirty-three billion, four hundred twenty-six million, five hundred sixty thousand, eight hundred eighty".