40464465 has 16 divisors (see below), whose sum is σ = 65038848. Its totient is φ = 21482496.

The previous prime is 40464443. The next prime is 40464481. The reversal of 40464465 is 56446404.

It is not a de Polignac number, because 40464465 - 2⁶ = 40464401 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 2704 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (4064928).

Almost surely, 2^40464465 is an apocalyptic number.

It is an amenable number.

40464465 is a deficient number, since it is larger than the sum of its proper divisors (24574383).

40464465 is a wasteful number, since it uses less digits than its factorization.

40464465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12328.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 40464465 is about 6361.1685247288. The cubic root of 40464465 is about 343.3138053011.

The spelling of 40464465 in words is "forty million, four hundred sixty-four thousand, four hundred sixty-five".