90250642628912 has 40 divisors (see below), whose sum is σ = 175078091606400. Its totient is φ = 45069208519680.

The previous prime is 90250642628897. The next prime is 90250642628917. The reversal of 90250642628912 is 21982624605209.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90250642628917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166101362 + ... + 166643822.

It is an arithmetic number, because the mean of its divisors is an integer number (4376952290160).

Almost surely, 2^{90250642628912} is an apocalyptic number.

It is an amenable number.

90250642628912 is a deficient number, since it is larger than the sum of its proper divisors (84827448977488).

90250642628912 is a wasteful number, since it uses less digits than its factorization.

90250642628912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555381 (or 555375 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 90250642628912 in words is "ninety trillion, two hundred fifty billion, six hundred forty-two million, six hundred twenty-eight thousand, nine hundred twelve".