442457636505 has 16 divisors (see below), whose sum is σ = 709114089600. Its totient is φ = 235583449088.

The previous prime is 442457636479. The next prime is 442457636557. The reversal of 442457636505 is 505636754244.

It is a cyclic number.

It is not a de Polignac number, because 442457636505 - 2⁶ = 442457636441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24613032 + ... + 24631001.

It is an arithmetic number, because the mean of its divisors is an integer number (44319630600).

Almost surely, 2^442457636505 is an apocalyptic number.

It is an amenable number.

442457636505 is a deficient number, since it is larger than the sum of its proper divisors (266656453095).

442457636505 is a wasteful number, since it uses less digits than its factorization.

442457636505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49244640.

The product of its (nonzero) digits is 12096000, while the sum is 51.

The spelling of 442457636505 in words is "four hundred forty-two billion, four hundred fifty-seven million, six hundred thirty-six thousand, five hundred five".