40364815 has 8 divisors (see below), whose sum is σ = 48478608. Its totient is φ = 32264640.

The previous prime is 40364801. The next prime is 40364833. The reversal of 40364815 is 51846304.

It is a happy number.

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

It is not a de Polignac number, because 40364815 - 2²³ = 31976207 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 5019 + ... + 10291.

It is an arithmetic number, because the mean of its divisors is an integer number (6059826).

Almost surely, 2^40364815 is an apocalyptic number.

40364815 is a deficient number, since it is larger than the sum of its proper divisors (8113793).

40364815 is a wasteful number, since it uses less digits than its factorization.

40364815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40364815 is about 6353.3310160891. The cubic root of 40364815 is about 343.0317525365.

The spelling of 40364815 in words is "forty million, three hundred sixty-four thousand, eight hundred fifteen".