444240004040 has 32 divisors (see below), whose sum is σ = 1142331439680. Its totient is φ = 152310858432.

The previous prime is 444240003959. The next prime is 444240004097. The reversal of 444240004040 is 40400042444.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793285442 + ... + 793286001.

It is an arithmetic number, because the mean of its divisors is an integer number (35697857490).

Almost surely, 2^444240004040 is an apocalyptic number.

444240004040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444240004040 is an abundant number, since it is smaller than the sum of its proper divisors (698091435640).

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

444240004040 is a wasteful number, since it uses less digits than its factorization.

444240004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586571461 (or 1586571457 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 444240004040 its reverse (40400042444), we get a palindrome (484640046484).

The spelling of 444240004040 in words is "four hundred forty-four billion, two hundred forty million, four thousand, forty".