250664328 has 64 divisors (see below), whose sum is σ = 700560000. Its totient is φ = 83042496.

The previous prime is 250664287. The next prime is 250664333. The reversal of 250664328 is 823466052.

250664328 is a `hidden beast` number, since 2 + 5 + 0 + 6 + 643 + 2 + 8 = 666.

250664328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 250664292 and 250664301.

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, 32598 + ... + 39546.

It is an arithmetic number, because the mean of its divisors is an integer number (10946250).

Almost surely, 2^250664328 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 250664328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350280000).

250664328 is an abundant number, since it is smaller than the sum of its proper divisors (449895672).

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

250664328 is a wasteful number, since it uses less digits than its factorization.

250664328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131 (or 7121 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 250664328 is about 15832.3822591548. The cubic root of 250664328 is about 630.5180319694.

The spelling of 250664328 in words is "two hundred fifty million, six hundred sixty-four thousand, three hundred twenty-eight".