431640465314444 has 96 divisors (see below), whose sum is σ = 868017831145920. Its totient is φ = 186504677425152.

The previous prime is 431640465314363. The next prime is 431640465314491. The reversal of 431640465314444 is 444413564046134.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5281259 + ... + 29852514.

It is an arithmetic number, because the mean of its divisors is an integer number (9041852407770).

Almost surely, 2^{431640465314444} is an apocalyptic number.

It is an amenable number.

431640465314444 is an abundant number, since it is smaller than the sum of its proper divisors (436377365831476).

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

431640465314444 is a wasteful number, since it uses less digits than its factorization.

431640465314444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35134107 (or 35134105 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 53.

The spelling of 431640465314444 in words is "four hundred thirty-one trillion, six hundred forty billion, four hundred sixty-five million, three hundred fourteen thousand, four hundred forty-four".