90492178041495 has 64 divisors (see below), whose sum is σ = 165257816371200. Its totient is φ = 46954202906880.

The previous prime is 90492178041481. The next prime is 90492178041511. The reversal of 90492178041495 is 59414087129409.

90492178041495 is a `hidden beast` number, since 9 + 0 + 4 + 9 + 21 + 7 + 80 + 41 + 495 = 666.

It is not a de Polignac number, because 90492178041495 - 2¹² = 90492178037399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20783247 + ... + 24757376.

It is an arithmetic number, because the mean of its divisors is an integer number (2582153380800).

Almost surely, 2^{90492178041495} is an apocalyptic number.

90492178041495 is a deficient number, since it is larger than the sum of its proper divisors (74765638329705).

90492178041495 is a wasteful number, since it uses less digits than its factorization.

90492178041495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45541037 (or 45541031 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 90492178041495 in words is "ninety trillion, four hundred ninety-two billion, one hundred seventy-eight million, forty-one thousand, four hundred ninety-five".