440326623044 has 24 divisors (see below), whose sum is σ = 960712632768. Its totient is φ = 171555827040.

The previous prime is 440326623041. The next prime is 440326623097.

440326623044 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×440326623044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440326622989 and 440326623007.

It is not an unprimeable number, because it can be changed into a prime (440326623041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714815639 + ... + 714816254.

It is an arithmetic number, because the mean of its divisors is an integer number (40029693032).

Almost surely, 2^440326623044 is an apocalyptic number.

440326623044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440326623044 is an abundant number, since it is smaller than the sum of its proper divisors (520386009724).

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

440326623044 is a wasteful number, since it uses less digits than its factorization.

440326623044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429631915 (or 1429631913 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 440326623044 in words is "four hundred forty billion, three hundred twenty-six million, six hundred twenty-three thousand, forty-four".