442712074455 has 36 divisors (see below), whose sum is σ = 892652105592. Its totient is φ = 202382661600.

The previous prime is 442712074447. The next prime is 442712074457. The reversal of 442712074455 is 554470217244.

442712074455 is a `hidden beast` number, since 4 + 4 + 2 + 7 + 120 + 74 + 455 = 666.

442712074455 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 442712074455 - 2³ = 442712074447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 442712074455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442712074457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100386021 + ... + 100390430.

It is an arithmetic number, because the mean of its divisors is an integer number (24795891822).

Almost surely, 2^442712074455 is an apocalyptic number.

442712074455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

442712074455 is an abundant number, since it is smaller than the sum of its proper divisors (449940031137).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442712074455 is a wasteful number, since it uses less digits than its factorization.

442712074455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200776476 (or 200776466 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 45.

The spelling of 442712074455 in words is "four hundred forty-two billion, seven hundred twelve million, seventy-four thousand, four hundred fifty-five".