90262315828 has 24 divisors (see below), whose sum is σ = 159538506120. Its totient is φ = 44680796160.

The previous prime is 90262315669. The next prime is 90262315837. The reversal of 90262315828 is 82851326209.

It can be written as a sum of positive squares in 4 ways, for example, as 135070884 + 90127244944 = 11622^2 + 300212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284878 + ... + 511546.

It is an arithmetic number, because the mean of its divisors is an integer number (6647437755).

Almost surely, 2^90262315828 is an apocalyptic number.

It is an amenable number.

90262315828 is a deficient number, since it is larger than the sum of its proper divisors (69276190292).

90262315828 is a wasteful number, since it uses less digits than its factorization.

90262315828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227667 (or 227665 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 90262315828 in words is "ninety billion, two hundred sixty-two million, three hundred fifteen thousand, eight hundred twenty-eight".