252426501632 has 80 divisors (see below), whose sum is σ = 506295876240. Its totient is φ = 125730029568.

The previous prime is 252426501629. The next prime is 252426501653. The reversal of 252426501632 is 236105624252.

It is a congruent number.

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, 266553383 + ... + 266554329.

It is an arithmetic number, because the mean of its divisors is an integer number (6328698453).

Almost surely, 2^252426501632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252426501632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253147938120).

252426501632 is an abundant number, since it is smaller than the sum of its proper divisors (253869374608).

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

252426501632 is an frugal number, since it uses more digits than its factorization.

252426501632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 252426501632 in words is "two hundred fifty-two billion, four hundred twenty-six million, five hundred one thousand, six hundred thirty-two".