449477579385 has 32 divisors (see below), whose sum is σ = 814148081280. Its totient is φ = 235198327104.

The previous prime is 449477579371. The next prime is 449477579393. The reversal of 449477579385 is 583975774944.

449477579385 is a `hidden beast` number, since 4 + 4 + 9 + 47 + 7 + 579 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 449477579385 - 2¹⁸ = 449477317241 is a prime.

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, 31402879 + ... + 31417188.

It is an arithmetic number, because the mean of its divisors is an integer number (25442127540).

Almost surely, 2^449477579385 is an apocalyptic number.

449477579385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449477579385 is a deficient number, since it is larger than the sum of its proper divisors (364670501895).

449477579385 is a wasteful number, since it uses less digits than its factorization.

449477579385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62820134 (or 62820128 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 72.

The spelling of 449477579385 in words is "four hundred forty-nine billion, four hundred seventy-seven million, five hundred seventy-nine thousand, three hundred eighty-five".