440001223433240 has 128 divisors (see below), whose sum is σ = 1167494322960000. Its totient is φ = 149162533115904.

The previous prime is 440001223433237. The next prime is 440001223433327. The reversal of 440001223433240 is 42334322100044.

It is a junction number, because it is equal to n+sod(n) for n = 440001223433197 and 440001223433206.

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, 178947797 + ... + 181389956.

It is an arithmetic number, because the mean of its divisors is an integer number (9121049398125).

Almost surely, 2^{440001223433240} is an apocalyptic number.

440001223433240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440001223433240 is an abundant number, since it is smaller than the sum of its proper divisors (727493099526760).

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

440001223433240 is a wasteful number, since it uses less digits than its factorization.

440001223433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360337874 (or 360337856 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 440001223433240 its reverse (42334322100044), we get a palindrome (482335545533284).

The spelling of 440001223433240 in words is "four hundred forty trillion, one billion, two hundred twenty-three million, four hundred thirty-three thousand, two hundred forty".