28494232704 has 256 divisors, whose sum is σ = 96366336000. Its totient is φ = 8119636992.

The previous prime is 28494232703. The next prime is 28494232717. The reversal of 28494232704 is 40723249482.

It is a happy number.

28494232704 is a `hidden beast` number, since 284 + 9 + 42 + 327 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28494232704.

It is not an unprimeable number, because it can be changed into a prime (28494232703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10618947 + ... + 10621629.

It is an arithmetic number, because the mean of its divisors is an integer number (376431000).

Almost surely, 2^28494232704 is an apocalyptic number.

28494232704 is a gapful number since it is divisible by the number (24) 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 28494232704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48183168000).

28494232704 is an abundant number, since it is smaller than the sum of its proper divisors (67872103296).

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

28494232704 is a wasteful number, since it uses less digits than its factorization.

28494232704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 28494232704 in words is "twenty-eight billion, four hundred ninety-four million, two hundred thirty-two thousand, seven hundred four".