90470594250 has 128 divisors (see below), whose sum is σ = 251055866880. Its totient is φ = 24111000000.

The previous prime is 90470594239. The next prime is 90470594251. The reversal of 90470594250 is 5249507409.

90470594250 is a `hidden beast` number, since 9 + 0 + 4 + 7 + 0 + 594 + 2 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 90470594196 and 90470594205.

It is not an unprimeable number, because it can be changed into a prime (90470594251) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 15866400 + ... + 15872100.

It is an arithmetic number, because the mean of its divisors is an integer number (1961373960).

Almost surely, 2^90470594250 is an apocalyptic number.

90470594250 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90470594250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125527933440).

90470594250 is an abundant number, since it is smaller than the sum of its proper divisors (160585272630).

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

90470594250 is a wasteful number, since it uses less digits than its factorization.

90470594250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 90470594250 in words is "ninety billion, four hundred seventy million, five hundred ninety-four thousand, two hundred fifty".