442324732 has 12 divisors (see below), whose sum is σ = 781303320. Its totient is φ = 219095216.

The previous prime is 442324699. The next prime is 442324741. The reversal of 442324732 is 237423244.

It is a super-3 number, since 3×442324732³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442324694 and 442324703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516307 + ... + 517162.

It is an arithmetic number, because the mean of its divisors is an integer number (65108610).

Almost surely, 2^442324732 is an apocalyptic number.

It is an amenable number.

442324732 is a deficient number, since it is larger than the sum of its proper divisors (338978588).

442324732 is a wasteful number, since it uses less digits than its factorization.

442324732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033580 (or 1033578 counting only the distinct ones).

The product of its digits is 32256, while the sum is 31.

The square root of 442324732 is about 21031.5175867078. The cubic root of 442324732 is about 761.9276619513.

Adding to 442324732 its reverse (237423244), we get a palindrome (679747976).

The spelling of 442324732 in words is "four hundred forty-two million, three hundred twenty-four thousand, seven hundred thirty-two".