252441112240 has 40 divisors (see below), whose sum is σ = 590526386928. Its totient is φ = 100356952320.

The previous prime is 252441112237. The next prime is 252441112271. The reversal of 252441112240 is 42211144252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 252441112199 and 252441112208.

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, 9666451 + ... + 9692530.

Almost surely, 2^252441112240 is an apocalyptic number.

252441112240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252441112240 is an abundant number, since it is smaller than the sum of its proper divisors (338085274688).

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

252441112240 is a wasteful number, since it uses less digits than its factorization.

252441112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19359157 (or 19359151 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 252441112240 its reverse (42211144252), we get a palindrome (294652256492).

The spelling of 252441112240 in words is "two hundred fifty-two billion, four hundred forty-one million, one hundred twelve thousand, two hundred forty".