442041434 has 8 divisors (see below), whose sum is σ = 669145620. Its totient is φ = 218992896.

The previous prime is 442041433. The next prime is 442041437. The reversal of 442041434 is 434140244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 428697025 + 13344409 = 20705^2 + 3653^2 .

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

It is a super-3 number, since 3×442041434³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442041433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013639 + ... + 1014074.

Almost surely, 2^442041434 is an apocalyptic number.

442041434 is a deficient number, since it is larger than the sum of its proper divisors (227104186).

442041434 is a wasteful number, since it uses less digits than its factorization.

442041434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027824.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 442041434 is about 21024.7814257366. The cubic root of 442041434 is about 761.7649619662.

Adding to 442041434 its reverse (434140244), we get a palindrome (876181678).

It can be divided in two parts, 4420 and 41434, that added together give a palindrome (45854).

The spelling of 442041434 in words is "four hundred forty-two million, forty-one thousand, four hundred thirty-four".