442632386454 has 16 divisors (see below), whose sum is σ = 885356921280. Its totient is φ = 147528770760.

The previous prime is 442632386453. The next prime is 442632386459. The reversal of 442632386454 is 454683236244.

It is a junction number, because it is equal to n+sod(n) for n = 442632386397 and 442632386406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442632386453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3776992 + ... + 3892419.

It is an arithmetic number, because the mean of its divisors is an integer number (55334807580).

Almost surely, 2^442632386454 is an apocalyptic number.

442632386454 is an abundant number, since it is smaller than the sum of its proper divisors (442724534826).

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

442632386454 is a wasteful number, since it uses less digits than its factorization.

442632386454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679035.

The product of its digits is 13271040, while the sum is 51.

The spelling of 442632386454 in words is "four hundred forty-two billion, six hundred thirty-two million, three hundred eighty-six thousand, four hundred fifty-four".