40705880 has 16 divisors (see below), whose sum is σ = 91588320. Its totient is φ = 16282336.

The previous prime is 40705859. The next prime is 40705919. The reversal of 40705880 is 8850704.

It is a congruent number.

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, 508784 + ... + 508863.

It is an arithmetic number, because the mean of its divisors is an integer number (5724270).

Almost surely, 2^40705880 is an apocalyptic number.

40705880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40705880 is an abundant number, since it is smaller than the sum of its proper divisors (50882440).

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

40705880 is a wasteful number, since it uses less digits than its factorization.

40705880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017658 (or 1017654 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 40705880 is about 6380.1159864065. The cubic root of 40705880 is about 343.9952000412.

The spelling of 40705880 in words is "forty million, seven hundred five thousand, eight hundred eighty".