40807456 has 24 divisors (see below), whose sum is σ = 81858924. Its totient is φ = 20017920.

The previous prime is 40807453. The next prime is 40807483. The reversal of 40807456 is 65470804.

It can be written as a sum of positive squares in 2 ways, for example, as 32490000 + 8317456 = 5700^2 + 2884^2 .

It is not an unprimeable number, because it can be changed into a prime (40807453) by changing a digit.

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, 10335 + ... + 13726.

Almost surely, 2^40807456 is an apocalyptic number.

It is an amenable number.

40807456 is an abundant number, since it is smaller than the sum of its proper divisors (41051468).

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

40807456 is a wasteful number, since it uses less digits than its factorization.

40807456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124 (or 24116 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40807456 is about 6388.0713834459. The cubic root of 40807456 is about 344.2810934847.

The spelling of 40807456 in words is "forty million, eight hundred seven thousand, four hundred fifty-six".