4000040369 has 4 divisors (see below), whose sum is σ = 4307735796. Its totient is φ = 3692344944.

The previous prime is 4000040353. The next prime is 4000040371. The reversal of 4000040369 is 9630400004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 718240000 + 3281800369 = 26800^2 + 57287^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000040369 - 2⁴ = 4000040353 is a prime.

It is a super-2 number, since 2×4000040369² = 32000645907259312322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4000040389) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 153847694 + ... + 153847719.

It is an arithmetic number, because the mean of its divisors is an integer number (1076933949).

Almost surely, 2^4000040369 is an apocalyptic number.

It is an amenable number.

4000040369 is a deficient number, since it is larger than the sum of its proper divisors (307695427).

4000040369 is a wasteful number, since it uses less digits than its factorization.

4000040369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307695426.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4000040369 is about 63245.8723475295. The cubic root of 4000040369 is about 1587.4063920997.

The spelling of 4000040369 in words is "four billion, forty thousand, three hundred sixty-nine".