40412457 has 24 divisors (see below), whose sum is σ = 61314240. Its totient is φ = 25613280.

The previous prime is 40412453. The next prime is 40412459. The reversal of 40412457 is 75421404.

It is not a de Polignac number, because 40412457 - 2² = 40412453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40412457.

It is not an unprimeable number, because it can be changed into a prime (40412453) 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 23 ways as a sum of consecutive naturals, for example, 16332 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (2554760).

Almost surely, 2^40412457 is an apocalyptic number.

It is an amenable number.

40412457 is a deficient number, since it is larger than the sum of its proper divisors (20901783).

40412457 is a wasteful number, since it uses less digits than its factorization.

40412457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 40412457 is about 6357.0792821861. The cubic root of 40412457 is about 343.1666579261.

The spelling of 40412457 in words is "forty million, four hundred twelve thousand, four hundred fifty-seven".