440004420402 has 16 divisors (see below), whose sum is σ = 918270095040. Its totient is φ = 140291264432.

The previous prime is 440004420397. The next prime is 440004420433. The reversal of 440004420402 is 204024400044.

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, 1594218777 + ... + 1594219052.

It is an arithmetic number, because the mean of its divisors is an integer number (57391880940).

Almost surely, 2^440004420402 is an apocalyptic number.

440004420402 is an abundant number, since it is smaller than the sum of its proper divisors (478265674638).

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

440004420402 is a wasteful number, since it uses less digits than its factorization.

440004420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188437857.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440004420402 its reverse (204024400044), we get a palindrome (644028820446).

The spelling of 440004420402 in words is "four hundred forty billion, four million, four hundred twenty thousand, four hundred two".