15795280648 has 32 divisors (see below), whose sum is σ = 33906375360. Its totient is φ = 6757536960.

The previous prime is 15795280637. The next prime is 15795280661. The reversal of 15795280648 is 84608259751.

It is a happy 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, 215011 + ... + 278962.

It is an arithmetic number, because the mean of its divisors is an integer number (1059574230).

Almost surely, 2^15795280648 is an apocalyptic number.

It is an amenable number.

15795280648 is an abundant number, since it is smaller than the sum of its proper divisors (18111094712).

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

15795280648 is a wasteful number, since it uses less digits than its factorization.

15795280648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494557 (or 494553 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 15795280648 in words is "fifteen billion, seven hundred ninety-five million, two hundred eighty thousand, six hundred forty-eight".