40865100 has 36 divisors (see below), whose sum is σ = 118237224. Its totient is φ = 10897280.

The previous prime is 40865087. The next prime is 40865101. The reversal of 40865100 is 156804.

It is not an unprimeable number, because it can be changed into a prime (40865101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67809 + ... + 68408.

Almost surely, 2^40865100 is an apocalyptic number.

It is an amenable number.

40865100 is an abundant number, since it is smaller than the sum of its proper divisors (77372124).

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

40865100 is a wasteful number, since it uses less digits than its factorization.

40865100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136234 (or 136227 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 40865100 is about 6392.5816381177. The cubic root of 40865100 is about 344.4431259825.

The spelling of 40865100 in words is "forty million, eight hundred sixty-five thousand, one hundred".