40861632696 has 32 divisors (see below), whose sum is σ = 102301958400. Its totient is φ = 13600827360.

The previous prime is 40861632671. The next prime is 40861632733. The reversal of 40861632696 is 69623616804.

It is a happy number.

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, 1215376 + ... + 1248543.

It is an arithmetic number, because the mean of its divisors is an integer number (3196936200).

Almost surely, 2^40861632696 is an apocalyptic number.

It is an amenable number.

40861632696 is an abundant number, since it is smaller than the sum of its proper divisors (61440325704).

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

40861632696 is a wasteful number, since it uses less digits than its factorization.

40861632696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464619 (or 2464615 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 40861632696 in words is "forty billion, eight hundred sixty-one million, six hundred thirty-two thousand, six hundred ninety-six".