3000400040002 has 4 divisors (see below), whose sum is σ = 4500600060006. Its totient is φ = 1500200020000.

The previous prime is 3000400039999. The next prime is 3000400040023. The reversal of 3000400040002 is 2000400040003.

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., 2705962490361 + 294437549641 = 1644981^2 + 542621^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 750100009999 + ... + 750100010002.

Almost surely, 2^{3000400040002} is an apocalyptic number.

3000400040002 is a deficient number, since it is larger than the sum of its proper divisors (1500200020004).

3000400040002 is a wasteful number, since it uses less digits than its factorization.

3000400040002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500200020003.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 3000400040002 its reverse (2000400040003), we get a palindrome (5000800080005).

Subtracting from 3000400040002 its reverse (2000400040003), we obtain a palindrome (999999999999).

The spelling of 3000400040002 in words is "three trillion, four hundred million, forty thousand, two".