250128672 has 48 divisors (see below), whose sum is σ = 659937600. Its totient is φ = 82950912.

The previous prime is 250128653. The next prime is 250128691. The reversal of 250128672 is 276821052.

It is an interprime number because it is at equal distance from previous prime (250128653) and next prime (250128691).

It is a tau number, because it is divible by the number of its divisors (48).

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, 12558 + ... + 25650.

It is an arithmetic number, because the mean of its divisors is an integer number (13748700).

Almost surely, 2^250128672 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 250128672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329968800).

250128672 is an abundant number, since it is smaller than the sum of its proper divisors (409808928).

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

250128672 is a wasteful number, since it uses less digits than its factorization.

250128672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305 (or 13297 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 250128672 is about 15815.4567433255. The cubic root of 250128672 is about 630.0685841182.

The spelling of 250128672 in words is "two hundred fifty million, one hundred twenty-eight thousand, six hundred seventy-two".