431644051312444 has 24 divisors (see below), whose sum is σ = 755708395891680. Its totient is φ = 215727368624064.

The previous prime is 431644051312429. The next prime is 431644051312451. The reversal of 431644051312444 is 444213150446134.

It is a junction number, because it is equal to n+sod(n) for n = 431644051312394 and 431644051312403.

It is a congruent number.

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, 1379607777 + ... + 1379920615.

It is an arithmetic number, because the mean of its divisors is an integer number (31487849828820).

Almost surely, 2^{431644051312444} is an apocalyptic number.

It is an amenable number.

431644051312444 is a deficient number, since it is larger than the sum of its proper divisors (324064344579236).

431644051312444 is a wasteful number, since it uses less digits than its factorization.

431644051312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463029 (or 463027 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 431644051312444 in words is "four hundred thirty-one trillion, six hundred forty-four billion, fifty-one million, three hundred twelve thousand, four hundred forty-four".