90306262492 has 12 divisors (see below), whose sum is σ = 158039977536. Its totient is φ = 45151983200.

The previous prime is 90306262481. The next prime is 90306262517. The reversal of 90306262492 is 29426260309.

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, 95884 + ... + 435667.

It is an arithmetic number, because the mean of its divisors is an integer number (13169998128).

Almost surely, 2^90306262492 is an apocalyptic number.

It is an amenable number.

90306262492 is a deficient number, since it is larger than the sum of its proper divisors (67733715044).

90306262492 is a wasteful number, since it uses less digits than its factorization.

90306262492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574028 (or 574026 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 90306262492 in words is "ninety billion, three hundred six million, two hundred sixty-two thousand, four hundred ninety-two".