251332350150 has 192 divisors, whose sum is σ = 718474300416. Its totient is φ = 56954880000.

The previous prime is 251332350149. The next prime is 251332350167. The reversal of 251332350150 is 51053233152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 101629314 + ... + 101631786.

It is an arithmetic number, because the mean of its divisors is an integer number (3742053648).

Almost surely, 2^251332350150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251332350150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359237150208).

251332350150 is an abundant number, since it is smaller than the sum of its proper divisors (467141950266).

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

251332350150 is a wasteful number, since it uses less digits than its factorization.

251332350150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 251332350150 in words is "two hundred fifty-one billion, three hundred thirty-two million, three hundred fifty thousand, one hundred fifty".