252423869240 has 16 divisors (see below), whose sum is σ = 567953705880. Its totient is φ = 100969547680.

The previous prime is 252423869239. The next prime is 252423869293. The reversal of 252423869240 is 42968324252.

It is a happy number.

252423869240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3155298326 + ... + 3155298405.

Almost surely, 2^252423869240 is an apocalyptic number.

252423869240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252423869240 is an abundant number, since it is smaller than the sum of its proper divisors (315529836640).

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

252423869240 is a wasteful number, since it uses less digits than its factorization.

252423869240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310596742 (or 6310596738 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 252423869240 in words is "two hundred fifty-two billion, four hundred twenty-three million, eight hundred sixty-nine thousand, two hundred forty".