440542334 has 4 divisors (see below), whose sum is σ = 660813504. Its totient is φ = 220271166.

The previous prime is 440542331. The next prime is 440542339. The reversal of 440542334 is 433245044.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 440542297 and 440542306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440542331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110135582 + ... + 110135585.

It is an arithmetic number, because the mean of its divisors is an integer number (165203376).

Almost surely, 2^440542334 is an apocalyptic number.

440542334 is a deficient number, since it is larger than the sum of its proper divisors (220271170).

440542334 is a wasteful number, since it uses less digits than its factorization.

440542334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220271169.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 440542334 is about 20989.1003618545. The cubic root of 440542334 is about 760.9028593667.

Adding to 440542334 its reverse (433245044), we get a palindrome (873787378).

The spelling of 440542334 in words is "four hundred forty million, five hundred forty-two thousand, three hundred thirty-four".