250442240000 has 130 divisors (see below), whose sum is σ = 625835238930. Its totient is φ = 100175872000.

The previous prime is 250442239987. The next prime is 250442240021. The reversal of 250442240000 is 42244052.

It can be written as a sum of positive squares in 5 ways, for example, as 78077771776 + 172364468224 = 279424^2 + 415168^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2511086 + ... + 2608914.

Almost surely, 2^250442240000 is an apocalyptic number.

250442240000 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 250442240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312917619465).

250442240000 is an abundant number, since it is smaller than the sum of its proper divisors (375392998930).

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

250442240000 is an frugal number, since it uses more digits than its factorization.

250442240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97873 (or 97836 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 250442240000 its reverse (42244052), we get a palindrome (250484484052).

The spelling of 250442240000 in words is "two hundred fifty billion, four hundred forty-two million, two hundred forty thousand".