250012435230440 has 16 divisors (see below), whose sum is σ = 562527979268580. Its totient is φ = 100004974092160.

The previous prime is 250012435230413. The next prime is 250012435230517. The reversal of 250012435230440 is 44032534210052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 231861955356196 + 18150479874244 = 15227014^2 + 4260338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 250012435230440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125155440341 + ... + 3125155440420.

Almost surely, 2^{250012435230440} is an apocalyptic number.

250012435230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250012435230440 is an abundant number, since it is smaller than the sum of its proper divisors (312515544038140).

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

250012435230440 is a wasteful number, since it uses less digits than its factorization.

250012435230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250310880772 (or 6250310880768 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 250012435230440 its reverse (44032534210052), we get a palindrome (294044969440492).

The spelling of 250012435230440 in words is "two hundred fifty trillion, twelve billion, four hundred thirty-five million, two hundred thirty thousand, four hundred forty".