4002321340404 has 18 divisors (see below), whose sum is σ = 10116978943890. Its totient is φ = 1334107113456.

The previous prime is 4002321340393. The next prime is 4002321340427. The reversal of 4002321340404 is 4040431232004.

It is a happy number.

4002321340404 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 3 + 213 + 40 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4002320336400 + 1004004 = 2000580^2 + 1002^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4002321340404² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55587796359 + ... + 55587796430.

Almost surely, 2^{4002321340404} is an apocalyptic number.

It is an amenable number.

4002321340404 is an abundant number, since it is smaller than the sum of its proper divisors (6114657603486).

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

4002321340404 is a wasteful number, since it uses less digits than its factorization.

4002321340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111175592799 (or 111175592794 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4002321340404 its reverse (4040431232004), we get a palindrome (8042752572408).

The spelling of 4002321340404 in words is "four trillion, two billion, three hundred twenty-one million, three hundred forty thousand, four hundred four".