40666674032 has 40 divisors (see below), whose sum is σ = 83537992512. Its totient is φ = 19111680000.

The previous prime is 40666673953. The next prime is 40666674043. The reversal of 40666674032 is 23047666604.

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, 104732 + ... + 303812.

Almost surely, 2^40666674032 is an apocalyptic number.

It is an amenable number.

40666674032 is an abundant number, since it is smaller than the sum of its proper divisors (42871318480).

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

40666674032 is a wasteful number, since it uses less digits than its factorization.

40666674032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199857 (or 199851 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 40666674032 in words is "forty billion, six hundred sixty-six million, six hundred seventy-four thousand, thirty-two".