251372080 has 80 divisors (see below), whose sum is σ = 605077344. Its totient is φ = 97044480.

The previous prime is 251372059. The next prime is 251372111. The reversal of 251372080 is 80273152.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482220 + ... + 482740.

Almost surely, 2^251372080 is an apocalyptic number.

251372080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251372080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302538672).

251372080 is an abundant number, since it is smaller than the sum of its proper divisors (353705264).

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

251372080 is a wasteful number, since it uses less digits than its factorization.

251372080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 251372080 is about 15854.7179098210. The cubic root of 251372080 is about 631.1108979515.

The spelling of 251372080 in words is "two hundred fifty-one million, three hundred seventy-two thousand, eighty".