440422140012 has 24 divisors (see below), whose sum is σ = 1027753660416. Its totient is φ = 146792808528.

The previous prime is 440422139981. The next prime is 440422140013. The reversal of 440422140012 is 210041224044.

It is a super-2 number, since 2×440422140012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440422140013) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1695148 + ... + 1937619.

It is an arithmetic number, because the mean of its divisors is an integer number (42823069184).

Almost surely, 2^440422140012 is an apocalyptic number.

It is an amenable number.

440422140012 is an abundant number, since it is smaller than the sum of its proper divisors (587331520404).

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

440422140012 is a wasteful number, since it uses less digits than its factorization.

440422140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642877 (or 3642875 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 440422140012 its reverse (210041224044), we get a palindrome (650463364056).

The spelling of 440422140012 in words is "four hundred forty billion, four hundred twenty-two million, one hundred forty thousand, twelve".