45184817990 has 32 divisors (see below), whose sum is σ = 92741332320. Its totient is φ = 15702234624.

The previous prime is 45184817983. The next prime is 45184818031. The reversal of 45184817990 is 9971848154.

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, 10220600 + ... + 10225019.

It is an arithmetic number, because the mean of its divisors is an integer number (2898166635).

Almost surely, 2^45184817990 is an apocalyptic number.

45184817990 is an abundant number, since it is smaller than the sum of its proper divisors (47556514330).

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

45184817990 is a wasteful number, since it uses less digits than its factorization.

45184817990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445656.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 45184817990 in words is "forty-five billion, one hundred eighty-four million, eight hundred seventeen thousand, nine hundred ninety".