28562340290 has 16 divisors (see below), whose sum is σ = 56086050240. Its totient is φ = 10386305520.

The previous prime is 28562340277. The next prime is 28562340319. The reversal of 28562340290 is 9204326582.

It is a Curzon 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, 129828710 + ... + 129828929.

It is an arithmetic number, because the mean of its divisors is an integer number (3505378140).

Almost surely, 2^28562340290 is an apocalyptic number.

28562340290 is a deficient number, since it is larger than the sum of its proper divisors (27523709950).

28562340290 is a wasteful number, since it uses less digits than its factorization.

28562340290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259657657.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 28562340290 in words is "twenty-eight billion, five hundred sixty-two million, three hundred forty thousand, two hundred ninety".