441240413440 has 72 divisors (see below), whose sum is σ = 1061445484008. Its totient is φ = 175738552320.

The previous prime is 441240413387. The next prime is 441240413447. The reversal of 441240413440 is 44314042144.

It can be written as a sum of positive squares in 4 ways, for example, as 2339463424 + 438900950016 = 48368^2 + 662496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441240413447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441501 + ... + 1037980.

It is an arithmetic number, because the mean of its divisors is an integer number (14742298389).

Almost surely, 2^441240413440 is an apocalyptic number.

441240413440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441240413440 is an abundant number, since it is smaller than the sum of its proper divisors (620205070568).

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

441240413440 is a wasteful number, since it uses less digits than its factorization.

441240413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479735 (or 1479721 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 441240413440 its reverse (44314042144), we get a palindrome (485554455584).

The spelling of 441240413440 in words is "four hundred forty-one billion, two hundred forty million, four hundred thirteen thousand, four hundred forty".