40865862 has 16 divisors (see below), whose sum is σ = 83274480. Its totient is φ = 13364832.

The previous prime is 40865857. The next prime is 40865897. The reversal of 40865862 is 26856804.

It is a self number, because there is not a number n which added to its sum of digits gives 40865862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63937 + ... + 64572.

It is an arithmetic number, because the mean of its divisors is an integer number (5204655).

Almost surely, 2^40865862 is an apocalyptic number.

40865862 is an abundant number, since it is smaller than the sum of its proper divisors (42408618).

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

40865862 is a wasteful number, since it uses less digits than its factorization.

40865862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128567.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 40865862 is about 6392.6412381738. The cubic root of 40865862 is about 344.4452668805.

The spelling of 40865862 in words is "forty million, eight hundred sixty-five thousand, eight hundred sixty-two".