90365243072 has 56 divisors (see below), whose sum is σ = 193392960432. Its totient is φ = 41646412800.

The previous prime is 90365243041. The next prime is 90365243081. The reversal of 90365243072 is 27034256309.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496322 + ... + 653502.

It is an arithmetic number, because the mean of its divisors is an integer number (3453445722).

Almost surely, 2^90365243072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90365243072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96696480216).

90365243072 is an abundant number, since it is smaller than the sum of its proper divisors (103027717360).

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

90365243072 is a wasteful number, since it uses less digits than its factorization.

90365243072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157897 (or 157887 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 90365243072 in words is "ninety billion, three hundred sixty-five million, two hundred forty-three thousand, seventy-two".