252243123450 has 96 divisors (see below), whose sum is σ = 660760184832. Its totient is φ = 63581112000.

The previous prime is 252243123403. The next prime is 252243123467. The reversal of 252243123450 is 54321342252.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430816 + ... + 830715.

It is an arithmetic number, because the mean of its divisors is an integer number (6882918592).

Almost surely, 2^252243123450 is an apocalyptic number.

252243123450 is an abundant number, since it is smaller than the sum of its proper divisors (408517061382).

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

252243123450 is a wasteful number, since it uses less digits than its factorization.

252243123450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261620 (or 1261615 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 252243123450 in words is "two hundred fifty-two billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred fifty".