440220422004 has 96 divisors (see below), whose sum is σ = 1172290129920. Its totient is φ = 127271760000.

The previous prime is 440220421999. The next prime is 440220422023. The reversal of 440220422004 is 400224022044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994629 + ... + 1367379.

It is an arithmetic number, because the mean of its divisors is an integer number (12211355520).

Almost surely, 2^440220422004 is an apocalyptic number.

440220422004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440220422004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586145064960).

440220422004 is an abundant number, since it is smaller than the sum of its proper divisors (732069707916).

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

440220422004 is a wasteful number, since it uses less digits than its factorization.

440220422004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373181 (or 373179 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440220422004 its reverse (400224022044), we get a palindrome (840444444048).

The spelling of 440220422004 in words is "four hundred forty billion, two hundred twenty million, four hundred twenty-two thousand, four".