45238072990 has 64 divisors (see below), whose sum is σ = 94787677440. Its totient is φ = 15370871040.

The previous prime is 45238072969. The next prime is 45238073017. The reversal of 45238072990 is 9927083254.

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 31 ways as a sum of consecutive naturals, for example, 4317 + ... + 300823.

It is an arithmetic number, because the mean of its divisors is an integer number (1481057460).

Almost surely, 2^45238072990 is an apocalyptic number.

45238072990 is an abundant number, since it is smaller than the sum of its proper divisors (49549604450).

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

45238072990 is a wasteful number, since it uses less digits than its factorization.

45238072990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296617.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 45238072990 in words is "forty-five billion, two hundred thirty-eight million, seventy-two thousand, nine hundred ninety".