90806593909446 has 48 divisors (see below), whose sum is σ = 198111952007424. Its totient is φ = 30059308457712.

The previous prime is 90806593909429. The next prime is 90806593909457. The reversal of 90806593909446 is 64490939560809.

90806593909446 is a `hidden beast` number, since 9 + 0 + 8 + 0 + 6 + 5 + 93 + 90 + 9 + 446 = 666.

It is a congruent 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, 11013676 + ... + 17404431.

It is an arithmetic number, because the mean of its divisors is an integer number (4127332333488).

Almost surely, 2^{90806593909446} is an apocalyptic number.

90806593909446 is an abundant number, since it is smaller than the sum of its proper divisors (107305358097978).

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

90806593909446 is a wasteful number, since it uses less digits than its factorization.

90806593909446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419345 (or 28419342 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 72.

The spelling of 90806593909446 in words is "ninety trillion, eight hundred six billion, five hundred ninety-three million, nine hundred nine thousand, four hundred forty-six".