440420332244031 has 12 divisors (see below), whose sum is σ = 636162886657480. Its totient is φ = 293613469662960.

The previous prime is 440420332243967. The next prime is 440420332244047. The reversal of 440420332244031 is 130442233024044.

440420332244031 is a `hidden beast` number, since 4 + 4 + 0 + 4 + 20 + 3 + 3 + 224 + 403 + 1 = 666.

It is not a de Polignac number, because 440420332244031 - 2⁶ = 440420332243967 is a prime.

It is a super-2 number, since 2×440420332244031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440420332244131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48947376 + ... + 57242346.

Almost surely, 2^{440420332244031} is an apocalyptic number.

440420332244031 is a deficient number, since it is larger than the sum of its proper divisors (195742554413449).

440420332244031 is a wasteful number, since it uses less digits than its factorization.

440420332244031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194406 (or 14194403 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 440420332244031 its reverse (130442233024044), we get a palindrome (570862565268075).

The spelling of 440420332244031 in words is "four hundred forty trillion, four hundred twenty billion, three hundred thirty-two million, two hundred forty-four thousand, thirty-one".