40464913 has 12 divisors (see below), whose sum is σ = 43299280. Its totient is φ = 37806912.

The previous prime is 40464901. The next prime is 40464923. The reversal of 40464913 is 31946404.

It is not a de Polignac number, because 40464913 - 2⁹ = 40464401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40464923) 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 11 ways as a sum of consecutive naturals, for example, 46678 + ... + 47536.

Almost surely, 2^40464913 is an apocalyptic number.

It is an amenable number.

40464913 is a deficient number, since it is larger than the sum of its proper divisors (2834367).

40464913 is a wasteful number, since it uses less digits than its factorization.

40464913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40464913 is about 6361.2037382873. The cubic root of 40464913 is about 343.3150722894.

The spelling of 40464913 in words is "forty million, four hundred sixty-four thousand, nine hundred thirteen".