252001103442 has 16 divisors (see below), whose sum is σ = 549820589472. Its totient is φ = 76363970720.

The previous prime is 252001103371. The next prime is 252001103447. The reversal of 252001103442 is 244301100252.

It is a super-2 number, since 2×252001103442² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252001103447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909099203 + ... + 1909099334.

It is an arithmetic number, because the mean of its divisors is an integer number (34363786842).

Almost surely, 2^252001103442 is an apocalyptic number.

252001103442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252001103442 is an abundant number, since it is smaller than the sum of its proper divisors (297819486030).

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

252001103442 is a wasteful number, since it uses less digits than its factorization.

252001103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818198553.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 252001103442 its reverse (244301100252), we get a palindrome (496302203694).

The spelling of 252001103442 in words is "two hundred fifty-two billion, one million, one hundred three thousand, four hundred forty-two".