40679399132 has 24 divisors (see below), whose sum is σ = 71475487776. Its totient is φ = 20257993728.

The previous prime is 40679399113. The next prime is 40679399141. The reversal of 40679399132 is 23199397604.

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, 1007273 + ... + 1046879.

It is an arithmetic number, because the mean of its divisors is an integer number (2978145324).

Almost surely, 2^40679399132 is an apocalyptic number.

It is an amenable number.

40679399132 is a deficient number, since it is larger than the sum of its proper divisors (30796088644).

40679399132 is a wasteful number, since it uses less digits than its factorization.

40679399132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40637 (or 40635 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 40679399132 in words is "forty billion, six hundred seventy-nine million, three hundred ninety-nine thousand, one hundred thirty-two".