41556990 has 32 divisors (see below), whose sum is σ = 104987520. Its totient is φ = 10498464.

The previous prime is 41556979. The next prime is 41557007. The reversal of 41556990 is 9965514.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35884 + ... + 37023.

It is an arithmetic number, because the mean of its divisors is an integer number (3280860).

Almost surely, 2^41556990 is an apocalyptic number.

41556990 is an abundant number, since it is smaller than the sum of its proper divisors (63430530).

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

41556990 is a wasteful number, since it uses less digits than its factorization.

41556990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72936.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 41556990 is about 6446.4711276791. The cubic root of 41556990 is about 346.3761876773.

The spelling of 41556990 in words is "forty-one million, five hundred fifty-six thousand, nine hundred ninety".