40555508 has 12 divisors (see below), whose sum is σ = 81111072. Its totient is φ = 17380920.

The previous prime is 40555507. The next prime is 40555511. The reversal of 40555508 is 80555504.

40555508 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724178 + ... + 724233.

It is an arithmetic number, because the mean of its divisors is an integer number (6759256).

Almost surely, 2^40555508 is an apocalyptic number.

It is an amenable number.

40555508 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.

40555508 is a wasteful number, since it uses less digits than its factorization.

40555508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448422 (or 1448420 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 40555508 is about 6368.3206577559. The cubic root of 40555508 is about 343.5710920037.

The spelling of 40555508 in words is "forty million, five hundred fifty-five thousand, five hundred eight".