440120145422031 has 32 divisors (see below), whose sum is σ = 636520966380288. Its totient is φ = 269424072046080.

The previous prime is 440120145421993. The next prime is 440120145422051. The reversal of 440120145422031 is 130224541021044.

It is not a de Polignac number, because 440120145422031 - 2²¹ = 440120143324879 is a prime.

It is a super-2 number, since 2×440120145422031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440120145421983 and 440120145422001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440120145422051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112497025 + ... + 116343546.

It is an arithmetic number, because the mean of its divisors is an integer number (19891280199384).

Almost surely, 2^{440120145422031} is an apocalyptic number.

440120145422031 is a deficient number, since it is larger than the sum of its proper divisors (196400820958257).

440120145422031 is a wasteful number, since it uses less digits than its factorization.

440120145422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228841511.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 440120145422031 its reverse (130224541021044), we get a palindrome (570344686443075).

The spelling of 440120145422031 in words is "four hundred forty trillion, one hundred twenty billion, one hundred forty-five million, four hundred twenty-two thousand, thirty-one".