40808488 has 16 divisors (see below), whose sum is σ = 87446880. Its totient is φ = 17489328.

The previous prime is 40808479. The next prime is 40808503. The reversal of 40808488 is 88480804.

It is a super-2 number, since 2×40808488² = 3330665385692288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40808488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364306 + ... + 364417.

It is an arithmetic number, because the mean of its divisors is an integer number (5465430).

Almost surely, 2^40808488 is an apocalyptic number.

It is an amenable number.

40808488 is an abundant number, since it is smaller than the sum of its proper divisors (46638392).

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

40808488 is a wasteful number, since it uses less digits than its factorization.

40808488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728736 (or 728732 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 40808488 is about 6388.1521584884. The cubic root of 40808488 is about 344.2839956920.

The spelling of 40808488 in words is "forty million, eight hundred eight thousand, four hundred eighty-eight".