440142232 has 32 divisors (see below), whose sum is σ = 855136800. Its totient is φ = 212212224.

The previous prime is 440142221. The next prime is 440142289. The reversal of 440142232 is 232241044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26869 + ... + 40027.

It is an arithmetic number, because the mean of its divisors is an integer number (26723025).

Almost surely, 2^440142232 is an apocalyptic number.

It is an amenable number.

440142232 is a deficient number, since it is larger than the sum of its proper divisors (414994568).

440142232 is a wasteful number, since it uses less digits than its factorization.

440142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315 (or 13311 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440142232 is about 20979.5670117379. The cubic root of 440142232 is about 760.6724381011.

Adding to 440142232 its reverse (232241044), we get a palindrome (672383276).

The spelling of 440142232 in words is "four hundred forty million, one hundred forty-two thousand, two hundred thirty-two".