4040668144 has 20 divisors (see below), whose sum is σ = 7832054520. Its totient is φ = 2019492800.

The previous prime is 4040668141. The next prime is 4040668147. The reversal of 4040668144 is 4418660404.

It is an interprime number because it is at equal distance from previous prime (4040668141) and next prime (4040668147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040668141) 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, 12007 + ... + 90694.

It is an arithmetic number, because the mean of its divisors is an integer number (391602726).

Almost surely, 2^4040668144 is an apocalyptic number.

It is an amenable number.

4040668144 is a deficient number, since it is larger than the sum of its proper divisors (3791386376).

4040668144 is a wasteful number, since it uses less digits than its factorization.

4040668144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105168 (or 105162 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 4040668144 is about 63566.2500388374. The cubic root of 4040668144 is about 1592.7626435300.

The spelling of 4040668144 in words is "four billion, forty million, six hundred sixty-eight thousand, one hundred forty-four".