442456614 has 64 divisors (see below), whose sum is σ = 1034311680. Its totient is φ = 140006880.

The previous prime is 442456613. The next prime is 442456631. The reversal of 442456614 is 416654244.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442456613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86229 + ... + 91215.

It is an arithmetic number, because the mean of its divisors is an integer number (16161120).

Almost surely, 2^442456614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442456614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517155840).

442456614 is an abundant number, since it is smaller than the sum of its proper divisors (591855066).

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

442456614 is a wasteful number, since it uses less digits than its factorization.

442456614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082 (or 5076 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 442456614 is about 21034.6526950173. The cubic root of 442456614 is about 762.0033789918.

The spelling of 442456614 in words is "four hundred forty-two million, four hundred fifty-six thousand, six hundred fourteen".