440528012844 has 48 divisors (see below), whose sum is σ = 1051886656128. Its totient is φ = 143416361088.

The previous prime is 440528012819. The next prime is 440528012879. The reversal of 440528012844 is 448210825044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440528012796 and 440528012805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8636664 + ... + 8687520.

It is an arithmetic number, because the mean of its divisors is an integer number (21914305336).

Almost surely, 2^440528012844 is an apocalyptic number.

It is an amenable number.

440528012844 is an abundant number, since it is smaller than the sum of its proper divisors (611358643284).

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

440528012844 is a wasteful number, since it uses less digits than its factorization.

440528012844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67694 (or 67692 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 42.

Adding to 440528012844 its reverse (448210825044), we get a palindrome (888738837888).

The spelling of 440528012844 in words is "four hundred forty billion, five hundred twenty-eight million, twelve thousand, eight hundred forty-four".