28744317460000 has 60 divisors (see below), whose sum is σ = 70715332648422. Its totient is φ = 11497726976000.

The previous prime is 28744317459941. The next prime is 28744317460043. The reversal of 28744317460000 is 6471344782.

It can be written as a sum of positive squares in 5 ways, for example, as 21534975504 + 28722782484496 = 146748^2 + 5359364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 718587937 + ... + 718627936.

Almost surely, 2^{28744317460000} is an apocalyptic number.

28744317460000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28744317460000 is an abundant number, since it is smaller than the sum of its proper divisors (41971015188422).

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

28744317460000 is an equidigital number, since it uses as much as digits as its factorization.

28744317460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437215903 (or 1437215880 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 28744317460000 in words is "twenty-eight trillion, seven hundred forty-four billion, three hundred seventeen million, four hundred sixty thousand".