444135113457 has 16 divisors (see below), whose sum is σ = 677777008512. Its totient is φ = 253416608640.

The previous prime is 444135113449. The next prime is 444135113503. The reversal of 444135113457 is 754311531444.

It is not a de Polignac number, because 444135113457 - 2³ = 444135113449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444135113447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15605644 + ... + 15634077.

It is an arithmetic number, because the mean of its divisors is an integer number (42361063032).

Almost surely, 2^444135113457 is an apocalyptic number.

It is an amenable number.

444135113457 is a deficient number, since it is larger than the sum of its proper divisors (233641895055).

444135113457 is a wasteful number, since it uses less digits than its factorization.

444135113457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31240408.

The product of its digits is 403200, while the sum is 42.

The spelling of 444135113457 in words is "four hundred forty-four billion, one hundred thirty-five million, one hundred thirteen thousand, four hundred fifty-seven".