28315739744000 has 144 divisors (see below), whose sum is σ = 70564320686496. Its totient is φ = 11322077184000.

The previous prime is 28315739743997. The next prime is 28315739744023. The reversal of 28315739744000 is 44793751382.

It is a super-2 number, since 2×28315739744000² (a number of 28 digits) contains 22 as substring.

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, 86460560 + ... + 86787440.

Almost surely, 2^{28315739744000} is an apocalyptic number.

28315739744000 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 28315739744000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35282160343248).

28315739744000 is an abundant number, since it is smaller than the sum of its proper divisors (42248580942496).

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

28315739744000 is an equidigital number, since it uses as much as digits as its factorization.

28315739744000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329619 (or 329595 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 28315739744000 in words is "twenty-eight trillion, three hundred fifteen billion, seven hundred thirty-nine million, seven hundred forty-four thousand".