442314628 has 24 divisors (see below), whose sum is σ = 885948224. Its totient is φ = 189280800.

The previous prime is 442314611. The next prime is 442314643. The reversal of 442314628 is 826413244.

It is a junction number, because it is equal to n+sod(n) for n = 442314593 and 442314602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7918 + ... + 30778.

Almost surely, 2^442314628 is an apocalyptic number.

It is an amenable number.

442314628 is an abundant number, since it is smaller than the sum of its proper divisors (443633596).

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

442314628 is a wasteful number, since it uses less digits than its factorization.

442314628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563 (or 23561 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 442314628 is about 21031.2773744250. The cubic root of 442314628 is about 761.9218603497.

The spelling of 442314628 in words is "four hundred forty-two million, three hundred fourteen thousand, six hundred twenty-eight".