100642434452 has 24 divisors (see below), whose sum is σ = 206725002624. Its totient is φ = 41966728992.

The previous prime is 100642434439. The next prime is 100642434499. The reversal of 100642434452 is 254434246001.

It is a super-2 number, since 2×100642434452² (a number of 23 digits) contains 22 as substring.

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, 48571568 + ... + 48573639.

It is an arithmetic number, because the mean of its divisors is an integer number (8613541776).

Almost surely, 2^100642434452 is an apocalyptic number.

It is an amenable number.

100642434452 is an abundant number, since it is smaller than the sum of its proper divisors (106082568172).

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

100642434452 is a wasteful number, since it uses less digits than its factorization.

100642434452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97145255 (or 97145253 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 100642434452 in words is "one hundred billion, six hundred forty-two million, four hundred thirty-four thousand, four hundred fifty-two".