440440004440 has 32 divisors (see below), whose sum is σ = 1025162082000. Its totient is φ = 170100966784.

The previous prime is 440440004419. The next prime is 440440004483. The reversal of 440440004440 is 44400044044.

It is a super-2 number, since 2×440440004440² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440440004399 and 440440004408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189843670 + ... + 189845989.

Almost surely, 2^440440004440 is an apocalyptic number.

440440004440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440440004440 is an abundant number, since it is smaller than the sum of its proper divisors (584722077560).

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

440440004440 is a wasteful number, since it uses less digits than its factorization.

440440004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379689699 (or 379689695 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440440004440 its reverse (44400044044), we get a palindrome (484840048484).

The spelling of 440440004440 in words is "four hundred forty billion, four hundred forty million, four thousand, four hundred forty".