28301051380 has 48 divisors (see below), whose sum is σ = 71497399680. Its totient is φ = 9192521088.

The previous prime is 28301051299. The next prime is 28301051413. The reversal of 28301051380 is 8315010382.

It is a congruent number.

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, 5317087 + ... + 5322406.

It is an arithmetic number, because the mean of its divisors is an integer number (1489529160).

Almost surely, 2^28301051380 is an apocalyptic number.

28301051380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28301051380 is an abundant number, since it is smaller than the sum of its proper divisors (43196348300).

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

28301051380 is a wasteful number, since it uses less digits than its factorization.

28301051380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639528 (or 10639526 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 28301051380 in words is "twenty-eight billion, three hundred one million, fifty-one thousand, three hundred eighty".