250280730 has 288 divisors, whose sum is σ = 832291200. Its totient is φ = 51819264.

The previous prime is 250280717. The next prime is 250280731. The reversal of 250280730 is 37082052.

It is a junction number, because it is equal to n+sod(n) for n = 250280694 and 250280703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250280731) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2429859 + ... + 2429961.

It is an arithmetic number, because the mean of its divisors is an integer number (2889900).

Almost surely, 2^250280730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250280730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416145600).

250280730 is an abundant number, since it is smaller than the sum of its proper divisors (582010470).

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

250280730 is a wasteful number, since it uses less digits than its factorization.

250280730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 250280730 is about 15820.2632721456. The cubic root of 250280730 is about 630.1962351658.

The spelling of 250280730 in words is "two hundred fifty million, two hundred eighty thousand, seven hundred thirty".