90512642300 has 36 divisors (see below), whose sum is σ = 200591432160. Its totient is φ = 35434734720.

The previous prime is 90512642293. The next prime is 90512642303. The reversal of 90512642300 is 324621509.

It is a happy number.

It is a super-2 number, since 2×90512642300² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90512642303) 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 11 ways as a sum of consecutive naturals, for example, 9624305 + ... + 9633704.

Almost surely, 2^90512642300 is an apocalyptic number.

It is an amenable number.

90512642300 is an abundant number, since it is smaller than the sum of its proper divisors (110078789860).

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

90512642300 is a wasteful number, since it uses less digits than its factorization.

90512642300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19258070 (or 19258063 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 90512642300 in words is "ninety billion, five hundred twelve million, six hundred forty-two thousand, three hundred".