442918352 has 20 divisors (see below), whose sum is σ = 863625156. Its totient is φ = 220047360.

The previous prime is 442918351. The next prime is 442918387. The reversal of 442918352 is 253819244.

It can be written as a sum of positive squares in 2 ways, for example, as 279692176 + 163226176 = 16724^2 + 12776^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442918351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85649 + ... + 90672.

Almost surely, 2^442918352 is an apocalyptic number.

It is an amenable number.

442918352 is a deficient number, since it is larger than the sum of its proper divisors (420706804).

442918352 is a wasteful number, since it uses less digits than its factorization.

442918352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176486 (or 176480 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 442918352 is about 21045.6254836961. The cubic root of 442918352 is about 762.2683568322.

The spelling of 442918352 in words is "four hundred forty-two million, nine hundred eighteen thousand, three hundred fifty-two".