440423132312 has 16 divisors (see below), whose sum is σ = 825803583000. Its totient is φ = 220208843520.

The previous prime is 440423132287. The next prime is 440423132399. The reversal of 440423132312 is 213231324044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457064 + ... + 1043912.

Almost surely, 2^440423132312 is an apocalyptic number.

It is an amenable number.

440423132312 is a deficient number, since it is larger than the sum of its proper divisors (385380450688).

440423132312 is a wasteful number, since it uses less digits than its factorization.

440423132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680666 (or 680662 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 440423132312 its reverse (213231324044), we get a palindrome (653654456356).

The spelling of 440423132312 in words is "four hundred forty billion, four hundred twenty-three million, one hundred thirty-two thousand, three hundred twelve".