404443314440 has 64 divisors (see below), whose sum is σ = 992894112000. Its totient is φ = 147045168640.

The previous prime is 404443314439. The next prime is 404443314479. The reversal of 404443314440 is 44413344404.

It is a self number, because there is not a number n which added to its sum of digits gives 404443314440.

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, 2603681 + ... + 2754639.

It is an arithmetic number, because the mean of its divisors is an integer number (15513970500).

Almost surely, 2^404443314440 is an apocalyptic number.

404443314440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404443314440 is an abundant number, since it is smaller than the sum of its proper divisors (588450797560).

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

404443314440 is a wasteful number, since it uses less digits than its factorization.

404443314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157070 (or 157066 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 404443314440 its reverse (44413344404), we get a palindrome (448856658844).

The spelling of 404443314440 in words is "four hundred four billion, four hundred forty-three million, three hundred fourteen thousand, four hundred forty".