40931101872 has 40 divisors (see below), whose sum is σ = 117487423280. Its totient is φ = 13643700480.

The previous prime is 40931101859. The next prime is 40931101891. The reversal of 40931101872 is 27810113904.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47373529 + ... + 47374392.

It is an arithmetic number, because the mean of its divisors is an integer number (2937185582).

Almost surely, 2^40931101872 is an apocalyptic number.

It is an amenable number.

40931101872 is an abundant number, since it is smaller than the sum of its proper divisors (76556321408).

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

40931101872 is a wasteful number, since it uses less digits than its factorization.

40931101872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94747938 (or 94747926 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 40931101872 in words is "forty billion, nine hundred thirty-one million, one hundred one thousand, eight hundred seventy-two".