40814568 has 48 divisors (see below), whose sum is σ = 113118720. Its totient is φ = 13287456.

The previous prime is 40814561. The next prime is 40814573. The reversal of 40814568 is 86541804.

It is a super-2 number, since 2×40814568² = 3331657922053248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40814561) 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, 3496 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (2356640).

Almost surely, 2^40814568 is an apocalyptic number.

It is an amenable number.

40814568 is an abundant number, since it is smaller than the sum of its proper divisors (72304152).

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

40814568 is a wasteful number, since it uses less digits than its factorization.

40814568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13238 (or 13231 counting only the distinct ones).

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

The square root of 40814568 is about 6388.6280217274. The cubic root of 40814568 is about 344.3010929745.

It can be divided in two parts, 4081 and 4568, that added together give a square (8649 = 93²).

The spelling of 40814568 in words is "forty million, eight hundred fourteen thousand, five hundred sixty-eight".