90179449050 has 48 divisors (see below), whose sum is σ = 223743929472. Its totient is φ = 24037219200.

The previous prime is 90179449049. The next prime is 90179449111. The reversal of 90179449050 is 5094497109.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210367 + ... + 473933.

It is an arithmetic number, because the mean of its divisors is an integer number (4661331864).

Almost surely, 2^90179449050 is an apocalyptic number.

90179449050 is an abundant number, since it is smaller than the sum of its proper divisors (133564480422).

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

90179449050 is a wasteful number, since it uses less digits than its factorization.

90179449050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265863 (or 265858 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 90179449050 in words is "ninety billion, one hundred seventy-nine million, four hundred forty-nine thousand, fifty".