28494758560 has 48 divisors (see below), whose sum is σ = 69490455552. Its totient is φ = 11030227200.

The previous prime is 28494758507. The next prime is 28494758569. The reversal of 28494758560 is 6585749482.

It is a junction number, because it is equal to n+sod(n) for n = 28494758495 and 28494758504.

It is not an unprimeable number, because it can be changed into a prime (28494758569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867496 + ... + 2877415.

It is an arithmetic number, because the mean of its divisors is an integer number (1447717824).

Almost surely, 2^28494758560 is an apocalyptic number.

28494758560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28494758560 is an abundant number, since it is smaller than the sum of its proper divisors (40995696992).

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

28494758560 is a wasteful number, since it uses less digits than its factorization.

28494758560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744957 (or 5744949 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 28494758560 in words is "twenty-eight billion, four hundred ninety-four million, seven hundred fifty-eight thousand, five hundred sixty".