4000308044 has 12 divisors (see below), whose sum is σ = 7011963504. Its totient is φ = 1996889904.

The previous prime is 4000308031. The next prime is 4000308047. The reversal of 4000308044 is 4408030004.

It is a super-2 number, since 2×4000308044² = 32004928893782211872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4000308047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813272 + ... + 818175.

It is an arithmetic number, because the mean of its divisors is an integer number (584330292).

Almost surely, 2^4000308044 is an apocalyptic number.

It is an amenable number.

4000308044 is a deficient number, since it is larger than the sum of its proper divisors (3011655460).

4000308044 is a wasteful number, since it uses less digits than its factorization.

4000308044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632064 (or 1632062 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4000308044 is about 63247.9884581320. The cubic root of 4000308044 is about 1587.4418000363.

Adding to 4000308044 its reverse (4408030004), we get a palindrome (8408338048).

The spelling of 4000308044 in words is "four billion, three hundred eight thousand, forty-four".