440334012 has 12 divisors (see below), whose sum is σ = 1027446056. Its totient is φ = 146778000.

The previous prime is 440333989. The next prime is 440334047. The reversal of 440334012 is 210433044.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×440334012² = 387788084248032288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440334012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18347239 + ... + 18347262.

Almost surely, 2^440334012 is an apocalyptic number.

It is an amenable number.

440334012 is an abundant number, since it is smaller than the sum of its proper divisors (587112044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440334012 is a wasteful number, since it uses less digits than its factorization.

440334012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36694508 (or 36694506 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 440334012 is about 20984.1371516677. The cubic root of 440334012 is about 760.7829028302.

Adding to 440334012 its reverse (210433044), we get a palindrome (650767056).

The spelling of 440334012 in words is "four hundred forty million, three hundred thirty-four thousand, twelve".