250514940 has 96 divisors (see below), whose sum is σ = 758237760. Its totient is φ = 61433856.

The previous prime is 250514933. The next prime is 250514977. The reversal of 250514940 is 49415052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 250514898 and 250514907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309256 + ... + 310064.

It is an arithmetic number, because the mean of its divisors is an integer number (7898310).

Almost surely, 2^250514940 is an apocalyptic number.

250514940 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 250514940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379118880).

250514940 is an abundant number, since it is smaller than the sum of its proper divisors (507722820).

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

250514940 is a wasteful number, since it uses less digits than its factorization.

250514940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 250514940 is about 15827.6637568531. The cubic root of 250514940 is about 630.3927508196.

Adding to 250514940 its reverse (49415052), we get a palindrome (299929992).

The spelling of 250514940 in words is "two hundred fifty million, five hundred fourteen thousand, nine hundred forty".