28498401792 has 240 divisors, whose sum is σ = 99529290432. Its totient is φ = 7663288320.

The previous prime is 28498401769. The next prime is 28498401821. The reversal of 28498401792 is 29710489482.

28498401792 is a `hidden beast` number, since 2 + 84 + 98 + 401 + 79 + 2 = 666.

It is a super-3 number, since 3×28498401792³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522367 + ... + 574337.

Almost surely, 2^28498401792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28498401792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49764645216).

28498401792 is an abundant number, since it is smaller than the sum of its proper divisors (71030888640).

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

28498401792 is a wasteful number, since it uses less digits than its factorization.

28498401792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52019 (or 52000 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 28498401792 in words is "twenty-eight billion, four hundred ninety-eight million, four hundred one thousand, seven hundred ninety-two".