250560828 has 144 divisors (see below), whose sum is σ = 780299520. Its totient is φ = 66189312.

The previous prime is 250560823. The next prime is 250560887. The reversal of 250560828 is 828065052.

250560828 is a `hidden beast` number, since 25 + 0 + 5 + 608 + 28 = 666.

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 = 250560792 and 250560801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250560823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205276 + ... + 206492.

Almost surely, 2^250560828 is an apocalyptic number.

250560828 is a gapful number since it is divisible by the number (28) 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 250560828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390149760).

250560828 is an abundant number, since it is smaller than the sum of its proper divisors (529738692).

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

250560828 is a wasteful number, since it uses less digits than its factorization.

250560828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 250560828 is about 15829.1133042884. The cubic root of 250560828 is about 630.4312391382.

The spelling of 250560828 in words is "two hundred fifty million, five hundred sixty thousand, eight hundred twenty-eight".