250984980 has 144 divisors (see below), whose sum is σ = 808551744. Its totient is φ = 65318400.

The previous prime is 250984973. The next prime is 250984999. The reversal of 250984980 is 89489052.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208380 + ... + 209580.

Almost surely, 2^250984980 is an apocalyptic number.

250984980 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 250984980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404275872).

250984980 is an abundant number, since it is smaller than the sum of its proper divisors (557566764).

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

250984980 is a wasteful number, since it uses less digits than its factorization.

250984980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 250984980 is about 15842.5054836664. The cubic root of 250984980 is about 630.7867721368.

The spelling of 250984980 in words is "two hundred fifty million, nine hundred eighty-four thousand, nine hundred eighty".