442440022834 has 4 divisors (see below), whose sum is σ = 663660034254. Its totient is φ = 221220011416.

The previous prime is 442440022771. The next prime is 442440022837. The reversal of 442440022834 is 438220044244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 267343804809 + 175096218025 = 517053^2 + 418445^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442440022793 and 442440022802.

It is not an unprimeable number, because it can be changed into a prime (442440022837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610005707 + ... + 110610005710.

Almost surely, 2^442440022834 is an apocalyptic number.

442440022834 is a deficient number, since it is larger than the sum of its proper divisors (221220011420).

442440022834 is a wasteful number, since it uses less digits than its factorization.

442440022834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221220011419.

The product of its (nonzero) digits is 196608, while the sum is 37.

The spelling of 442440022834 in words is "four hundred forty-two billion, four hundred forty million, twenty-two thousand, eight hundred thirty-four".