28423268496 has 400 divisors, whose sum is σ = 96833931200. Its totient is φ = 7980166656.

The previous prime is 28423268483. The next prime is 28423268501. The reversal of 28423268496 is 69486232482.

28423268496 is a `hidden beast` number, since 28 + 42 + 32 + 68 + 496 = 666.

It is a super-2 number, since 2×28423268496² (a number of 22 digits) contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 69494340 + ... + 69494748.

It is an arithmetic number, because the mean of its divisors is an integer number (242084828).

Almost surely, 2^28423268496 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 28423268496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48416965600).

28423268496 is an abundant number, since it is smaller than the sum of its proper divisors (68410662704).

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

28423268496 is an equidigital number, since it uses as much as digits as its factorization.

28423268496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 488 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 28423268496 in words is "twenty-eight billion, four hundred twenty-three million, two hundred sixty-eight thousand, four hundred ninety-six".