402344443204 has 24 divisors (see below), whose sum is σ = 768152272608. Its totient is φ = 182874277440.

The previous prime is 402344443201. The next prime is 402344443219.

402344443204 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 402344443204.

It is not an unprimeable number, because it can be changed into a prime (402344443201) 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, 649344 + ... + 1107400.

It is an arithmetic number, because the mean of its divisors is an integer number (32006344692).

Almost surely, 2^402344443204 is an apocalyptic number.

402344443204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402344443204 is a deficient number, since it is larger than the sum of its proper divisors (365807829404).

402344443204 is a wasteful number, since it uses less digits than its factorization.

402344443204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478035 (or 478033 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

It can be divided in two parts, 402344 and 443204, that added together give a palindrome (845548).

The spelling of 402344443204 in words is "four hundred two billion, three hundred forty-four million, four hundred forty-three thousand, two hundred four".