42646132972 has 12 divisors (see below), whose sum is σ = 75575426080. Its totient is φ = 21053154096.

The previous prime is 42646132943. The next prime is 42646132999. The reversal of 42646132972 is 27923164624.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67477743 + ... + 67478374.

Almost surely, 2^42646132972 is an apocalyptic number.

It is an amenable number.

42646132972 is a deficient number, since it is larger than the sum of its proper divisors (32929293108).

42646132972 is a wasteful number, since it uses less digits than its factorization.

42646132972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134956200 (or 134956198 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The spelling of 42646132972 in words is "forty-two billion, six hundred forty-six million, one hundred thirty-two thousand, nine hundred seventy-two".