42672231972 has 48 divisors (see below), whose sum is σ = 114200486400. Its totient is φ = 13765235040.

The previous prime is 42672231961. The next prime is 42672231997. The reversal of 42672231972 is 27913227624.

42672231972 is a `hidden beast` number, since 4 + 267 + 2 + 2 + 319 + 72 = 666.

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, 6369447 + ... + 6376142.

It is an arithmetic number, because the mean of its divisors is an integer number (2379176800).

Almost surely, 2^42672231972 is an apocalyptic number.

It is an amenable number.

42672231972 is an abundant number, since it is smaller than the sum of its proper divisors (71528254428).

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

42672231972 is a wasteful number, since it uses less digits than its factorization.

42672231972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745633 (or 12745625 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 42672231972 in words is "forty-two billion, six hundred seventy-two million, two hundred thirty-one thousand, nine hundred seventy-two".