634882341072 has 80 divisors (see below), whose sum is σ = 1892612833280. Its totient is φ = 179633828736.

The previous prime is 634882341001. The next prime is 634882341103. The reversal of 634882341072 is 270143288436.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 9137872 + ... + 9207087.

It is an arithmetic number, because the mean of its divisors is an integer number (23657660416).

Almost surely, 2^634882341072 is an apocalyptic number.

It is an amenable number.

634882341072 is an abundant number, since it is smaller than the sum of its proper divisors (1257730492208).

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

634882341072 is a wasteful number, since it uses less digits than its factorization.

634882341072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345080 (or 18345074 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 634882341072 in words is "six hundred thirty-four billion, eight hundred eighty-two million, three hundred forty-one thousand, seventy-two".