385440888044583 has 72 divisors (see below), whose sum is σ = 644497958143104. Its totient is φ = 217442650651200.

The previous prime is 385440888044581. The next prime is 385440888044617.

385440888044583 is a `hidden beast` number, since 3 + 8 + 54 + 40 + 8 + 8 + 80 + 4 + 458 + 3 = 666.

385440888044583 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 385440888044583 - 2¹ = 385440888044581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385440888044581) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 222139860 + ... + 223868262.

Almost surely, 2^{385440888044583} is an apocalyptic number.

385440888044583 is a deficient number, since it is larger than the sum of its proper divisors (259057070098521).

385440888044583 is a wasteful number, since it uses less digits than its factorization.

385440888044583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728965 (or 1728861 counting only the distinct ones).

The product of its (nonzero) digits is 1887436800, while the sum is 72.

The spelling of 385440888044583 in words is "three hundred eighty-five trillion, four hundred forty billion, eight hundred eighty-eight million, forty-four thousand, five hundred eighty-three".