440011420404 has 24 divisors (see below), whose sum is σ = 1026974010720. Its totient is φ = 146630373984.

The previous prime is 440011420351. The next prime is 440011420451. The reversal of 440011420404 is 404024110044.

It is a happy number.

It is a super-2 number, since 2×440011420404² (a number of 24 digits) contains 22 as substring.

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, 4966699 + ... + 5054514.

It is an arithmetic number, because the mean of its divisors is an integer number (42790583780).

Almost surely, 2^440011420404 is an apocalyptic number.

It is an amenable number.

440011420404 is an abundant number, since it is smaller than the sum of its proper divisors (586962590316).

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

440011420404 is a wasteful number, since it uses less digits than its factorization.

440011420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024879 (or 10024877 counting only the distinct ones).

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

Adding to 440011420404 its reverse (404024110044), we get a palindrome (844035530448).

The spelling of 440011420404 in words is "four hundred forty billion, eleven million, four hundred twenty thousand, four hundred four".