633461140564 has 24 divisors (see below), whose sum is σ = 1271969794368. Its totient is φ = 270401736000.

The previous prime is 633461140517. The next prime is 633461140597. The reversal of 633461140564 is 465041164336.

It is a self number, because there is not a number n which added to its sum of digits gives 633461140564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45059929 + ... + 45073984.

It is an arithmetic number, because the mean of its divisors is an integer number (52998741432).

Almost surely, 2^633461140564 is an apocalyptic number.

It is an amenable number.

633461140564 is an abundant number, since it is smaller than the sum of its proper divisors (638508653804).

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

633461140564 is a wasteful number, since it uses less digits than its factorization.

633461140564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90134175 (or 90134173 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 633461140564 in words is "six hundred thirty-three billion, four hundred sixty-one million, one hundred forty thousand, five hundred sixty-four".