252382578340 has 48 divisors (see below), whose sum is σ = 585579238272. Its totient is φ = 90883544576.

The previous prime is 252382578311. The next prime is 252382578389. The reversal of 252382578340 is 43875283252.

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 15 ways as a sum of consecutive naturals, for example, 16129174 + ... + 16144813.

It is an arithmetic number, because the mean of its divisors is an integer number (12199567464).

Almost surely, 2^252382578340 is an apocalyptic number.

252382578340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252382578340 is an abundant number, since it is smaller than the sum of its proper divisors (333196659932).

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

252382578340 is a wasteful number, since it uses less digits than its factorization.

252382578340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32274036 (or 32274034 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 252382578340 in words is "two hundred fifty-two billion, three hundred eighty-two million, five hundred seventy-eight thousand, three hundred forty".