28136002934952 has 128 divisors (see below), whose sum is σ = 85308607843200. Its totient is φ = 8521262208000.

The previous prime is 28136002934891. The next prime is 28136002934983. The reversal of 28136002934952 is 25943920063182.

28136002934952 is a `hidden beast` number, since 2 + 8 + 1 + 3 + 60 + 0 + 2 + 93 + 495 + 2 = 666.

It is a super-2 number, since 2×28136002934952² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890202 + ... + 7554102.

It is an arithmetic number, because the mean of its divisors is an integer number (666473498775).

Almost surely, 2^{28136002934952} is an apocalyptic number.

28136002934952 is a gapful number since it is divisible by the number (22) 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 28136002934952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42654303921600).

28136002934952 is an abundant number, since it is smaller than the sum of its proper divisors (57172604908248).

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

28136002934952 is a wasteful number, since it uses less digits than its factorization.

28136002934952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665704 (or 6665694 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 28136002934952 in words is "twenty-eight trillion, one hundred thirty-six billion, two million, nine hundred thirty-four thousand, nine hundred fifty-two".