400244312124325 has 12 divisors (see below), whose sum is σ = 496303214188288. Its totient is φ = 320195277342000.

The previous prime is 400244312124301. The next prime is 400244312124347. The reversal of 400244312124325 is 523421213442004.

It is not a de Polignac number, because 400244312124325 - 2²⁵ = 400244278569893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64791550 + ... + 70699600.

Almost surely, 2^{400244312124325} is an apocalyptic number.

It is an amenable number.

400244312124325 is a deficient number, since it is larger than the sum of its proper divisors (96058902063963).

400244312124325 is a wasteful number, since it uses less digits than its factorization.

400244312124325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617884 (or 8617879 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 400244312124325 its reverse (523421213442004), we get a palindrome (923665525566329).

The spelling of 400244312124325 in words is "four hundred trillion, two hundred forty-four billion, three hundred twelve million, one hundred twenty-four thousand, three hundred twenty-five".