40541564 has 12 divisors (see below), whose sum is σ = 81083184. Its totient is φ = 17374944.

The previous prime is 40541539. The next prime is 40541581. The reversal of 40541564 is 46514504.

40541564 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723929 + ... + 723984.

It is an arithmetic number, because the mean of its divisors is an integer number (6756932).

Almost surely, 2^40541564 is an apocalyptic number.

It is an amenable number.

40541564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40541564 is a wasteful number, since it uses less digits than its factorization.

40541564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447924 (or 1447922 counting only the distinct ones).

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

The square root of 40541564 is about 6367.2257695169. The cubic root of 40541564 is about 343.5317113728.

The spelling of 40541564 in words is "forty million, five hundred forty-one thousand, five hundred sixty-four".