402444444204 has 36 divisors (see below), whose sum is σ = 1109771044200. Its totient is φ = 121952861760.

The previous prime is 402444444197. The next prime is 402444444211.

402444444204 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 4 + 4 + 444 + 204 = 666.

402444444204 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (402444444197) and next prime (402444444211).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508136529 + ... + 508137320.

It is an arithmetic number, because the mean of its divisors is an integer number (30826973450).

Almost surely, 2^402444444204 is an apocalyptic number.

402444444204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402444444204 is an abundant number, since it is smaller than the sum of its proper divisors (707326599996).

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

402444444204 is a wasteful number, since it uses less digits than its factorization.

402444444204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016273870 (or 1016273865 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

It can be divided in two parts, 402444 and 444204, that added together give a palindrome (846648).

The spelling of 402444444204 in words is "four hundred two billion, four hundred forty-four million, four hundred forty-four thousand, two hundred four".