28147462980 has 576 divisors, whose sum is σ = 105406479360. Its totient is φ = 5546548224.

The previous prime is 28147462979. The next prime is 28147463059. The reversal of 28147462980 is 8926474182.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 60272707 + ... + 60273173.

It is an arithmetic number, because the mean of its divisors is an integer number (182997360).

Almost surely, 2^28147462980 is an apocalyptic number.

28147462980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28147462980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52703239680).

28147462980 is an abundant number, since it is smaller than the sum of its proper divisors (77259016380).

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

28147462980 is a wasteful number, since it uses less digits than its factorization.

28147462980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 28147462980 in words is "twenty-eight billion, one hundred forty-seven million, four hundred sixty-two thousand, nine hundred eighty".