40504005564 has 24 divisors (see below), whose sum is σ = 103101105408. Its totient is φ = 12273941040.

The previous prime is 40504005559. The next prime is 40504005569. The reversal of 40504005564 is 46550040504.

It is an interprime number because it is at equal distance from previous prime (40504005559) and next prime (40504005569).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504005569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153424132 + ... + 153424395.

It is an arithmetic number, because the mean of its divisors is an integer number (4295879392).

Almost surely, 2^40504005564 is an apocalyptic number.

40504005564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40504005564 is an abundant number, since it is smaller than the sum of its proper divisors (62597099844).

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

40504005564 is a wasteful number, since it uses less digits than its factorization.

40504005564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306848545 (or 306848543 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 40504005564 in words is "forty billion, five hundred four million, five thousand, five hundred sixty-four".