4023004402 has 4 divisors (see below), whose sum is σ = 6034506606. Its totient is φ = 2011502200.

The previous prime is 4023004397. The next prime is 4023004421. The reversal of 4023004402 is 2044003204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2982361321 + 1040643081 = 54611^2 + 32259^2 .

It is a super-2 number, since 2×4023004402² = 32369128837022755208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4023004402.

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 as a sum of consecutive naturals, namely, 1005751099 + ... + 1005751102.

Almost surely, 2^4023004402 is an apocalyptic number.

4023004402 is a deficient number, since it is larger than the sum of its proper divisors (2011502204).

4023004402 is a wasteful number, since it uses less digits than its factorization.

4023004402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011502203.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4023004402 is about 63427.1582368310. The cubic root of 4023004402 is about 1590.4383378041.

Adding to 4023004402 its reverse (2044003204), we get a palindrome (6067007606).

The spelling of 4023004402 in words is "four billion, twenty-three million, four thousand, four hundred two".