40100120972 has 12 divisors (see below), whose sum is σ = 71063506080. Its totient is φ = 19796262096.

The previous prime is 40100120947. The next prime is 40100121041. The reversal of 40100120972 is 27902100104.

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, 63449243 + ... + 63449874.

It is an arithmetic number, because the mean of its divisors is an integer number (5921958840).

Almost surely, 2^40100120972 is an apocalyptic number.

It is an amenable number.

40100120972 is a deficient number, since it is larger than the sum of its proper divisors (30963385108).

40100120972 is a wasteful number, since it uses less digits than its factorization.

40100120972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126899200 (or 126899198 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 40100120972 in words is "forty billion, one hundred million, one hundred twenty thousand, nine hundred seventy-two".