28460364804 has 81 divisors (see below), whose sum is σ = 74419081191. Its totient is φ = 9170640720.

The previous prime is 28460364791. The next prime is 28460364809. The reversal of 28460364804 is 40846306482.

The square root of 28460364804 is 168702.

It is a perfect power (a square), and thus also a powerful number.

28460364804 is a `hidden beast` number, since 2 + 84 + 60 + 36 + 480 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28460364804.

It is not an unprimeable number, because it can be changed into a prime (28460364809) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31378119 + ... + 31379025.

Almost surely, 2^28460364804 is an apocalyptic number.

28460364804 is the 168702-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28460364804

28460364804 is an abundant number, since it is smaller than the sum of its proper divisors (45958716387).

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

28460364804 is an equidigital number, since it uses as much as digits as its factorization.

28460364804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 28460364804 in words is "twenty-eight billion, four hundred sixty million, three hundred sixty-four thousand, eight hundred four".