40912564 has 24 divisors (see below), whose sum is σ = 89264448. Its totient is φ = 15939840.

The previous prime is 40912541. The next prime is 40912577. The reversal of 40912564 is 46521904.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66109 + ... + 66724.

It is an arithmetic number, because the mean of its divisors is an integer number (3719352).

Almost surely, 2^40912564 is an apocalyptic number.

40912564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40912564 is an abundant number, since it is smaller than the sum of its proper divisors (48351884).

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

40912564 is a wasteful number, since it uses less digits than its factorization.

40912564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132855 (or 132853 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 40912564 is about 6396.2929889116. The cubic root of 40912564 is about 344.5764289972.

The spelling of 40912564 in words is "forty million, nine hundred twelve thousand, five hundred sixty-four".