442607742 has 24 divisors (see below), whose sum is σ = 979389216. Its totient is φ = 144396576.

The previous prime is 442607741. The next prime is 442607749. The reversal of 442607742 is 247706244.

It is a happy number.

442607742 is a `hidden beast` number, since 4 + 4 + 2 + 607 + 7 + 42 = 666.

It is a super-2 number, since 2×442607742² = 391803226556677128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442607697 and 442607706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442607741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260743 + ... + 262434.

It is an arithmetic number, because the mean of its divisors is an integer number (40807884).

Almost surely, 2^442607742 is an apocalyptic number.

442607742 is an abundant number, since it is smaller than the sum of its proper divisors (536781474).

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

442607742 is a wasteful number, since it uses less digits than its factorization.

442607742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523232 (or 523229 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 442607742 is about 21038.2447461760. The cubic root of 442607742 is about 762.0901271865.

The spelling of 442607742 in words is "four hundred forty-two million, six hundred seven thousand, seven hundred forty-two".