28124253696 has 320 divisors, whose sum is σ = 93803567616. Its totient is φ = 7274496000.

The previous prime is 28124253533. The next prime is 28124253709. The reversal of 28124253696 is 69635242182.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 47426776 + ... + 47427368.

Almost surely, 2^28124253696 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 28124253696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46901783808).

28124253696 is an abundant number, since it is smaller than the sum of its proper divisors (65679313920).

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

28124253696 is a wasteful number, since it uses less digits than its factorization.

28124253696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1017 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 28124253696 in words is "twenty-eight billion, one hundred twenty-four million, two hundred fifty-three thousand, six hundred ninety-six".