285425199504 has 75 divisors (see below), whose sum is σ = 802597916315. Its totient is φ = 94690824480.

The previous prime is 285425199487. The next prime is 285425199599. The reversal of 285425199504 is 405991524582.

The square root of 285425199504 is 534252.

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

285425199504 is a `hidden beast` number, since 2 + 8 + 5 + 42 + 5 + 1 + 99 + 504 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1352725959 + ... + 1352726169.

Almost surely, 2^285425199504 is an apocalyptic number.

285425199504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

285425199504 is the 534252-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285425199504

285425199504 is an abundant number, since it is smaller than the sum of its proper divisors (517172716811).

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

285425199504 is an frugal number, since it uses more digits than its factorization.

285425199504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 285425199504 in words is "two hundred eighty-five billion, four hundred twenty-five million, one hundred ninety-nine thousand, five hundred four".