36404004002 has 4 divisors (see below), whose sum is σ = 54606006006. Its totient is φ = 18202002000.

The previous prime is 36404003929. The next prime is 36404004023. The reversal of 36404004002 is 20040040463.

It is a happy number.

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., 22293177481 + 14110826521 = 149309^2 + 118789^2 .

It is a super-3 number, since 3×36404004002³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9101000999 + ... + 9101001002.

Almost surely, 2^36404004002 is an apocalyptic number.

36404004002 is a deficient number, since it is larger than the sum of its proper divisors (18202002004).

36404004002 is a wasteful number, since it uses less digits than its factorization.

36404004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202002003.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 36404004002 its reverse (20040040463), we get a palindrome (56444044465).

The spelling of 36404004002 in words is "thirty-six billion, four hundred four million, four thousand, two".