442343472 has 40 divisors (see below), whose sum is σ = 1152847344. Its totient is φ = 146141184.

The previous prime is 442343471. The next prime is 442343533. The reversal of 442343472 is 274343244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442343471) 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, 35353 + ... + 46200.

Almost surely, 2^442343472 is an apocalyptic number.

It is an amenable number.

442343472 is an abundant number, since it is smaller than the sum of its proper divisors (710503872).

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

442343472 is a wasteful number, since it uses less digits than its factorization.

442343472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81677 (or 81671 counting only the distinct ones).

The product of its digits is 64512, while the sum is 33.

The square root of 442343472 is about 21031.9631038094. The cubic root of 442343472 is about 761.9384220119.

It can be divided in two parts, 4423 and 43472, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 442343472 in words is "four hundred forty-two million, three hundred forty-three thousand, four hundred seventy-two".