40100564 has 24 divisors (see below), whose sum is σ = 84423360. Its totient is φ = 16281216.

The previous prime is 40100551. The next prime is 40100597. The reversal of 40100564 is 46500104.

It is a happy number.

40100564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37157 + ... + 38220.

It is an arithmetic number, because the mean of its divisors is an integer number (3517640).

Almost surely, 2^40100564 is an apocalyptic number.

It is an amenable number.

40100564 is an abundant number, since it is smaller than the sum of its proper divisors (44322796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40100564 is a wasteful number, since it uses less digits than its factorization.

40100564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75407 (or 75405 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40100564 is about 6332.5006119226. The cubic root of 40100564 is about 342.2815528556.

Adding to 40100564 its reverse (46500104), we get a palindrome (86600668).

The spelling of 40100564 in words is "forty million, one hundred thousand, five hundred sixty-four".