40634523672 has 16 divisors (see below), whose sum is σ = 101586309240. Its totient is φ = 13544841216.

The previous prime is 40634523647. The next prime is 40634523701. The reversal of 40634523672 is 27632543604.

It is a super-3 number, since 3×40634523672³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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, 846552553 + ... + 846552600.

Almost surely, 2^40634523672 is an apocalyptic number.

It is an amenable number.

40634523672 is an abundant number, since it is smaller than the sum of its proper divisors (60951785568).

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

40634523672 is a wasteful number, since it uses less digits than its factorization.

40634523672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693105162 (or 1693105158 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 40634523672 in words is "forty billion, six hundred thirty-four million, five hundred twenty-three thousand, six hundred seventy-two".