250712940 has 96 divisors (see below), whose sum is σ = 746855424. Its totient is φ = 62622720.

The previous prime is 250712939. The next prime is 250712963. The reversal of 250712940 is 49217052.

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 = 250712898 and 250712907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275967 + ... + 276873.

It is an arithmetic number, because the mean of its divisors is an integer number (7779744).

Almost surely, 2^250712940 is an apocalyptic number.

250712940 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 250712940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373427712).

250712940 is an abundant number, since it is smaller than the sum of its proper divisors (496142484).

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

250712940 is a wasteful number, since it uses less digits than its factorization.

250712940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 250712940 is about 15833.9173927364. The cubic root of 250712940 is about 630.5587886813.

Adding to 250712940 its reverse (49217052), we get a palindrome (299929992).

The spelling of 250712940 in words is "two hundred fifty million, seven hundred twelve thousand, nine hundred forty".