4004200402 has 4 divisors (see below), whose sum is σ = 6006300606. Its totient is φ = 2002100200.

The previous prime is 4004200397. The next prime is 4004200427. The reversal of 4004200402 is 2040024004.

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., 3140369521 + 863830881 = 56039^2 + 29391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001050099 + ... + 1001050102.

Almost surely, 2^4004200402 is an apocalyptic number.

4004200402 is a deficient number, since it is larger than the sum of its proper divisors (2002100204).

4004200402 is a wasteful number, since it uses less digits than its factorization.

4004200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002100203.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4004200402 is about 63278.7515837663. The cubic root of 4004200402 is about 1587.9565011339.

Adding to 4004200402 its reverse (2040024004), we get a palindrome (6044224406).

The spelling of 4004200402 in words is "four billion, four million, two hundred thousand, four hundred two".