40856814 has 24 divisors (see below), whose sum is σ = 93731040. Its totient is φ = 12817728.

The previous prime is 40856813. The next prime is 40856839. The reversal of 40856814 is 41865804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40856813) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 66454 + ... + 67065.

It is an arithmetic number, because the mean of its divisors is an integer number (3905460).

Almost surely, 2^40856814 is an apocalyptic number.

40856814 is an abundant number, since it is smaller than the sum of its proper divisors (52874226).

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

40856814 is a wasteful number, since it uses less digits than its factorization.

40856814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133544 (or 133541 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 40856814 is about 6391.9335102925. The cubic root of 40856814 is about 344.4198441058.

The spelling of 40856814 in words is "forty million, eight hundred fifty-six thousand, eight hundred fourteen".