28490270346 has 32 divisors (see below), whose sum is σ = 63387273600. Its totient is φ = 9485422560.

The previous prime is 28490270339. The next prime is 28490270351. The reversal of 28490270346 is 64307209482.

28490270346 is a `hidden beast` number, since 284 + 9 + 0 + 27 + 0 + 346 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269115 + ... + 359726.

It is an arithmetic number, because the mean of its divisors is an integer number (1980852300).

Almost surely, 2^28490270346 is an apocalyptic number.

28490270346 is an abundant number, since it is smaller than the sum of its proper divisors (34897003254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28490270346 is a wasteful number, since it uses less digits than its factorization.

28490270346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629691 (or 629685 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 28490270346 in words is "twenty-eight billion, four hundred ninety million, two hundred seventy thousand, three hundred forty-six".