90075083139250 has 64 divisors (see below), whose sum is σ = 183952173450240. Its totient is φ = 32754134736000.

The previous prime is 90075083139143. The next prime is 90075083139257. The reversal of 90075083139250 is 5293138057009.

It is a super-2 number, since 2×90075083139250² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90075083139257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259864054 + ... + 260210446.

It is an arithmetic number, because the mean of its divisors is an integer number (2874252710160).

Almost surely, 2^{90075083139250} is an apocalyptic number.

90075083139250 is an abundant number, since it is smaller than the sum of its proper divisors (93877090310990).

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

90075083139250 is a wasteful number, since it uses less digits than its factorization.

90075083139250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440980 (or 440970 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 90075083139250 in words is "ninety trillion, seventy-five billion, eighty-three million, one hundred thirty-nine thousand, two hundred fifty".