90015491476 has 12 divisors (see below), whose sum is σ = 157558923508. Its totient is φ = 44998656192.

The previous prime is 90015491459. The next prime is 90015491557. The reversal of 90015491476 is 67419451009.

It can be written as a sum of positive squares in 2 ways, for example, as 64054548100 + 25960943376 = 253090^2 + 161124^2 .

It is a congruent 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, 2250081 + ... + 2289736.

Almost surely, 2^90015491476 is an apocalyptic number.

It is an amenable number.

90015491476 is a deficient number, since it is larger than the sum of its proper divisors (67543432032).

90015491476 is a wasteful number, since it uses less digits than its factorization.

90015491476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544778 (or 4544776 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 90015491476 in words is "ninety billion, fifteen million, four hundred ninety-one thousand, four hundred seventy-six".