90133974426 has 8 divisors (see below), whose sum is σ = 180267948864. Its totient is φ = 30044658140.

The previous prime is 90133974409. The next prime is 90133974457. The reversal of 90133974426 is 62447933109.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

90133974426 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7511164530 + ... + 7511164541.

It is an arithmetic number, because the mean of its divisors is an integer number (22533493608).

Almost surely, 2^90133974426 is an apocalyptic number.

90133974426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90133974426 is a wasteful number, since it uses less digits than its factorization.

90133974426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15022329076.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 90133974426 in words is "ninety billion, one hundred thirty-three million, nine hundred seventy-four thousand, four hundred twenty-six".