40564415 has 8 divisors (see below), whose sum is σ = 48739488. Its totient is φ = 32410080.

The previous prime is 40564409. The next prime is 40564423. The reversal of 40564415 is 51446504.

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

It is not a de Polignac number, because 40564415 - 2¹⁸ = 40302271 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, 491 + ... + 9020.

It is an arithmetic number, because the mean of its divisors is an integer number (6092436).

Almost surely, 2^40564415 is an apocalyptic number.

40564415 is a deficient number, since it is larger than the sum of its proper divisors (8175073).

40564415 is an equidigital number, since it uses as much as digits as its factorization.

40564415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10369.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40564415 is about 6369.0199403048. The cubic root of 40564415 is about 343.5962424199.

The spelling of 40564415 in words is "forty million, five hundred sixty-four thousand, four hundred fifteen".