40468645 has 32 divisors (see below), whose sum is σ = 57627648. Its totient is φ = 26707968.

The previous prime is 40468621. The next prime is 40468657. The reversal of 40468645 is 54686404.

It is not a de Polignac number, because 40468645 - 2⁹ = 40468133 is a prime.

It is a super-2 number, since 2×40468645² = 3275422456272050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119917 + ... + 120253.

It is an arithmetic number, because the mean of its divisors is an integer number (1800864).

Almost surely, 2^40468645 is an apocalyptic number.

It is an amenable number.

40468645 is a deficient number, since it is larger than the sum of its proper divisors (17159003).

40468645 is a wasteful number, since it uses less digits than its factorization.

40468645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 40468645 is about 6361.4970722307. The cubic root of 40468645 is about 343.3256263914.

The spelling of 40468645 in words is "forty million, four hundred sixty-eight thousand, six hundred forty-five".