252609351608 has 32 divisors (see below), whose sum is σ = 527898805200. Its totient is φ = 112618409472.

The previous prime is 252609351607. The next prime is 252609351667. The reversal of 252609351608 is 806153906252.

It is a super-2 number, since 2×252609351608² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252609351607) 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, 48876935 + ... + 48882102.

Almost surely, 2^252609351608 is an apocalyptic number.

It is an amenable number.

252609351608 is an abundant number, since it is smaller than the sum of its proper divisors (275289453592).

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

252609351608 is a wasteful number, since it uses less digits than its factorization.

252609351608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97759079 (or 97759075 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 252609351608 in words is "two hundred fifty-two billion, six hundred nine million, three hundred fifty-one thousand, six hundred eight".