442703442 has 16 divisors (see below), whose sum is σ = 885779712. Its totient is φ = 147505680.

The previous prime is 442703423. The next prime is 442703449. The reversal of 442703442 is 244307244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442703449) 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, 1308 + ... + 29784.

It is an arithmetic number, because the mean of its divisors is an integer number (55361232).

Almost surely, 2^442703442 is an apocalyptic number.

442703442 is an abundant number, since it is smaller than the sum of its proper divisors (443076270).

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

442703442 is a wasteful number, since it uses less digits than its factorization.

442703442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31073.

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 442703442 is about 21040.5190525329. The cubic root of 442703442 is about 762.1450492334.

The spelling of 442703442 in words is "four hundred forty-two million, seven hundred three thousand, four hundred forty-two".