40109989875 has 16 divisors (see below), whose sum is σ = 66743023776. Its totient is φ = 21391994400.

The previous prime is 40109989847. The next prime is 40109989901. The reversal of 40109989875 is 57898990104.

It is not a de Polignac number, because 40109989875 - 2³⁴ = 22930120691 is a prime.

It is a super-2 number, since 2×40109989875² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53479612 + ... + 53480361.

It is an arithmetic number, because the mean of its divisors is an integer number (4171438986).

Almost surely, 2^40109989875 is an apocalyptic number.

40109989875 is a deficient number, since it is larger than the sum of its proper divisors (26633033901).

40109989875 is a wasteful number, since it uses less digits than its factorization.

40109989875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106959991 (or 106959981 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 40109989875 in words is "forty billion, one hundred nine million, nine hundred eighty-nine thousand, eight hundred seventy-five".