40399600976 has 40 divisors (see below), whose sum is σ = 89486832000. Its totient is φ = 17308197504.

The previous prime is 40399600939. The next prime is 40399600979. The reversal of 40399600976 is 67900699304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40399600979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275750 + ... + 396026.

It is an arithmetic number, because the mean of its divisors is an integer number (2237170800).

Almost surely, 2^40399600976 is an apocalyptic number.

It is an amenable number.

40399600976 is an abundant number, since it is smaller than the sum of its proper divisors (49087231024).

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

40399600976 is a wasteful number, since it uses less digits than its factorization.

40399600976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123291 (or 123285 counting only the distinct ones).

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

The spelling of 40399600976 in words is "forty billion, three hundred ninety-nine million, six hundred thousand, nine hundred seventy-six".