4040400044072 has 16 divisors (see below), whose sum is σ = 8658000094560. Its totient is φ = 1731600018864.

The previous prime is 4040400044071. The next prime is 4040400044167. The reversal of 4040400044072 is 2704400040404.

It is a happy number.

It is a super-2 number, since 2×4040400044072² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4040400044071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36075000338 + ... + 36075000449.

It is an arithmetic number, because the mean of its divisors is an integer number (541125005910).

Almost surely, 2^{4040400044072} is an apocalyptic number.

It is an amenable number.

4040400044072 is an abundant number, since it is smaller than the sum of its proper divisors (4617600050488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040400044072 is a wasteful number, since it uses less digits than its factorization.

4040400044072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72150000800 (or 72150000796 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 29.

Adding to 4040400044072 its reverse (2704400040404), we get a palindrome (6744800084476).

The spelling of 4040400044072 in words is "four trillion, forty billion, four hundred million, forty-four thousand, seventy-two".