250245044240 has 40 divisors (see below), whose sum is σ = 616044421080. Its totient is φ = 94209898496.

The previous prime is 250245044233. The next prime is 250245044297. The reversal of 250245044240 is 42440542052.

It can be written as a sum of positive squares in 4 ways, for example, as 97154396416 + 153090647824 = 311696^2 + 391268^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 250245044197 and 250245044206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92000495 + ... + 92003214.

It is an arithmetic number, because the mean of its divisors is an integer number (15401110527).

Almost surely, 2^250245044240 is an apocalyptic number.

250245044240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250245044240 is an abundant number, since it is smaller than the sum of its proper divisors (365799376840).

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

250245044240 is a wasteful number, since it uses less digits than its factorization.

250245044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184003739 (or 184003733 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 250245044240 its reverse (42440542052), we get a palindrome (292685586292).

The spelling of 250245044240 in words is "two hundred fifty billion, two hundred forty-five million, forty-four thousand, two hundred forty".