90247759250 has 48 divisors (see below), whose sum is σ = 185698625112. Its totient is φ = 32817356000.

The previous prime is 90247759249. The next prime is 90247759307. The reversal of 90247759250 is 5295774209.

It can be written as a sum of positive squares in 4 ways, for example, as 34195776241 + 56051983009 = 184921^2 + 236753^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

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, 1461449 + ... + 1521948.

Almost surely, 2^90247759250 is an apocalyptic number.

90247759250 is an abundant number, since it is smaller than the sum of its proper divisors (95450865862).

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

90247759250 is a wasteful number, since it uses less digits than its factorization.

90247759250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983436 (or 2983415 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 90247759250 in words is "ninety billion, two hundred forty-seven million, seven hundred fifty-nine thousand, two hundred fifty".