252241391332 has 24 divisors (see below), whose sum is σ = 505388528064. Its totient is φ = 107909365152.

The previous prime is 252241391327. The next prime is 252241391333. The reversal of 252241391332 is 233193142252.

It is a happy number.

It is a super-2 number, since 2×252241391332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252241391291 and 252241391300.

It is not an unprimeable number, because it can be changed into a prime (252241391333) 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, 8071138 + ... + 8102329.

It is an arithmetic number, because the mean of its divisors is an integer number (21057855336).

Almost surely, 2^252241391332 is an apocalyptic number.

It is an amenable number.

252241391332 is an abundant number, since it is smaller than the sum of its proper divisors (253147136732).

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

252241391332 is a wasteful number, since it uses less digits than its factorization.

252241391332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16174035 (or 16174033 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The spelling of 252241391332 in words is "two hundred fifty-two billion, two hundred forty-one million, three hundred ninety-one thousand, three hundred thirty-two".