442010431 has 8 divisors (see below), whose sum is σ = 472003200. Its totient is φ = 413001120.

The previous prime is 442010377. The next prime is 442010447. The reversal of 442010431 is 134010244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442010431 - 2¹⁷ = 441879359 is a prime.

It is a super-2 number, since 2×442010431² = 390746442225611522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442010399 and 442010408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442010531) 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, 244936 + ... + 246733.

It is an arithmetic number, because the mean of its divisors is an integer number (59000400).

Almost surely, 2^442010431 is an apocalyptic number.

442010431 is a deficient number, since it is larger than the sum of its proper divisors (29992769).

442010431 is a wasteful number, since it uses less digits than its factorization.

442010431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491729.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442010431 is about 21024.0441162018. The cubic root of 442010431 is about 761.7471525111.

Adding to 442010431 its reverse (134010244), we get a palindrome (576020675).

The spelling of 442010431 in words is "four hundred forty-two million, ten thousand, four hundred thirty-one".