40344775 has 12 divisors (see below), whose sum is σ = 50156512. Its totient is φ = 32192640.

The previous prime is 40344727. The next prime is 40344797. The reversal of 40344775 is 57744304.

It is not a de Polignac number, because 40344775 - 2⁹ = 40344263 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40344775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8962 + ... + 12688.

Almost surely, 2^40344775 is an apocalyptic number.

40344775 is a deficient number, since it is larger than the sum of its proper divisors (9811737).

40344775 is a wasteful number, since it uses less digits than its factorization.

40344775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 40344775 is about 6351.7536948468. The cubic root of 40344775 is about 342.9749745871.

The spelling of 40344775 in words is "forty million, three hundred forty-four thousand, seven hundred seventy-five".