252478542822 has 16 divisors (see below), whose sum is σ = 550862275392. Its totient is φ = 76508649320.

The previous prime is 252478542803. The next prime is 252478542857. The reversal of 252478542822 is 228245874252.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912716168 + ... + 1912716299.

It is an arithmetic number, because the mean of its divisors is an integer number (34428892212).

Almost surely, 2^252478542822 is an apocalyptic number.

252478542822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252478542822 is an abundant number, since it is smaller than the sum of its proper divisors (298383732570).

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

252478542822 is a wasteful number, since it uses less digits than its factorization.

252478542822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825432483.

The product of its digits is 5734400, while the sum is 51.

The spelling of 252478542822 in words is "two hundred fifty-two billion, four hundred seventy-eight million, five hundred forty-two thousand, eight hundred twenty-two".