384444651957 has 8 divisors (see below), whose sum is σ = 516280588320. Its totient is φ = 254452575120.

The previous prime is 384444651917. The next prime is 384444652001. The reversal of 384444651957 is 759156444483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384444651957 - 2¹² = 384444647861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384444651957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384444651917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460964394 + ... + 460965227.

It is an arithmetic number, because the mean of its divisors is an integer number (64535073540).

Almost surely, 2^384444651957 is an apocalyptic number.

It is an amenable number.

384444651957 is a deficient number, since it is larger than the sum of its proper divisors (131835936363).

384444651957 is a wasteful number, since it uses less digits than its factorization.

384444651957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921929763.

The product of its digits is 58060800, while the sum is 60.

The spelling of 384444651957 in words is "three hundred eighty-four billion, four hundred forty-four million, six hundred fifty-one thousand, nine hundred fifty-seven".