90049782124 has 12 divisors (see below), whose sum is σ = 157590977544. Its totient is φ = 45023788544.

The previous prime is 90049782077. The next prime is 90049782139. The reversal of 90049782124 is 42128794009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75754 + ... + 431089.

It is an arithmetic number, because the mean of its divisors is an integer number (13132581462).

Almost surely, 2^90049782124 is an apocalyptic number.

It is an amenable number.

90049782124 is a deficient number, since it is larger than the sum of its proper divisors (67541195420).

90049782124 is a wasteful number, since it uses less digits than its factorization.

90049782124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551264 (or 551262 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 90049782124 in words is "ninety billion, forty-nine million, seven hundred eighty-two thousand, one hundred twenty-four".