28760431460 has 24 divisors (see below), whose sum is σ = 61420584960. Its totient is φ = 11309186144.

The previous prime is 28760431393. The next prime is 28760431477. The reversal of 28760431460 is 6413406782.

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, 12185444 + ... + 12187803.

It is an arithmetic number, because the mean of its divisors is an integer number (2559191040).

Almost surely, 2^28760431460 is an apocalyptic number.

28760431460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28760431460 is an abundant number, since it is smaller than the sum of its proper divisors (32660153500).

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

28760431460 is a wasteful number, since it uses less digits than its factorization.

28760431460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24373315 (or 24373313 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 28760431460 in words is "twenty-eight billion, seven hundred sixty million, four hundred thirty-one thousand, four hundred sixty".