40064465 has 16 divisors (see below), whose sum is σ = 55096320. Its totient is φ = 27397440.

The previous prime is 40064429. The next prime is 40064491. The reversal of 40064465 is 56446004.

40064465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40064465 - 2⁸ = 40064209 is a prime.

It is a super-2 number, since 2×40064465² = 3210322711472450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13376 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (3443520).

Almost surely, 2^40064465 is an apocalyptic number.

It is an amenable number.

40064465 is a deficient number, since it is larger than the sum of its proper divisors (15031855).

40064465 is a wasteful number, since it uses less digits than its factorization.

40064465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 40064465 is about 6329.6496743501. The cubic root of 40064465 is about 342.1788133919.

The spelling of 40064465 in words is "forty million, sixty-four thousand, four hundred sixty-five".