252395529870 has 192 divisors, whose sum is σ = 702599546880. Its totient is φ = 57867194880.

The previous prime is 252395529833. The next prime is 252395529899. The reversal of 252395529870 is 78925593252.

252395529870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252395529870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7413627 + ... + 7447593.

It is an arithmetic number, because the mean of its divisors is an integer number (3659372640).

Almost surely, 2^252395529870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252395529870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351299773440).

252395529870 is an abundant number, since it is smaller than the sum of its proper divisors (450204017010).

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

252395529870 is a wasteful number, since it uses less digits than its factorization.

252395529870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34111 (or 34100 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 252395529870 in words is "two hundred fifty-two billion, three hundred ninety-five million, five hundred twenty-nine thousand, eight hundred seventy".