440232542 has 4 divisors (see below), whose sum is σ = 660348816. Its totient is φ = 220116270.

The previous prime is 440232523. The next prime is 440232563. The reversal of 440232542 is 245232044.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110058134 + ... + 110058137.

It is an arithmetic number, because the mean of its divisors is an integer number (165087204).

Almost surely, 2^440232542 is an apocalyptic number.

440232542 is a deficient number, since it is larger than the sum of its proper divisors (220116274).

440232542 is a wasteful number, since it uses less digits than its factorization.

440232542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220116273.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 440232542 is about 20981.7192336567. The cubic root of 440232542 is about 760.7244603982.

Adding to 440232542 its reverse (245232044), we get a palindrome (685464586).

The spelling of 440232542 in words is "four hundred forty million, two hundred thirty-two thousand, five hundred forty-two".