250011040 has 48 divisors (see below), whose sum is σ = 592778088. Its totient is φ = 99644416.

The previous prime is 250011019. The next prime is 250011049. The reversal of 250011040 is 40110052.

It can be written as a sum of positive squares in 4 ways, for example, as 242238096 + 7772944 = 15564^2 + 2788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 250011040.

It is not an unprimeable number, because it can be changed into a prime (250011049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44214 + ... + 49546.

Almost surely, 2^250011040 is an apocalyptic number.

250011040 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 250011040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296389044).

250011040 is an abundant number, since it is smaller than the sum of its proper divisors (342767048).

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

250011040 is a wasteful number, since it uses less digits than its factorization.

250011040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641 (or 5633 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 250011040 is about 15811.7374124414. The cubic root of 250011040 is about 629.9697978299.

Adding to 250011040 its reverse (40110052), we get a palindrome (290121092).

The spelling of 250011040 in words is "two hundred fifty million, eleven thousand, forty".