40465645 has 8 divisors (see below), whose sum is σ = 52973280. Its totient is φ = 29429520.

The previous prime is 40465613. The next prime is 40465673. The reversal of 40465645 is 54656404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40465645 - 2⁵ = 40465613 is a prime.

It is a super-3 number, since 3×40465645³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40465645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367815 + ... + 367924.

It is an arithmetic number, because the mean of its divisors is an integer number (6621660).

Almost surely, 2^40465645 is an apocalyptic number.

It is an amenable number.

40465645 is a deficient number, since it is larger than the sum of its proper divisors (12507635).

40465645 is a wasteful number, since it uses less digits than its factorization.

40465645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735755.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 40465645 is about 6361.2612743072. The cubic root of 40465645 is about 343.3171424377.

It can be divided in two parts, 404 and 65645, that added together give a square (66049 = 257²).

The spelling of 40465645 in words is "forty million, four hundred sixty-five thousand, six hundred forty-five".