4040403242356 has 24 divisors (see below), whose sum is σ = 7631123739624. Its totient is φ = 1860756362880.

The previous prime is 4040403242327. The next prime is 4040403242357. The reversal of 4040403242356 is 6532423040404.

It can be written as a sum of positive squares in 4 ways, for example, as 78671274256 + 3961731968100 = 280484^2 + 1990410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040403242357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84249415 + ... + 84297358.

It is an arithmetic number, because the mean of its divisors is an integer number (317963489151).

Almost surely, 2^{4040403242356} is an apocalyptic number.

It is an amenable number.

4040403242356 is a deficient number, since it is larger than the sum of its proper divisors (3590720497268).

4040403242356 is a wasteful number, since it uses less digits than its factorization.

4040403242356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168547251 (or 168547249 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

The spelling of 4040403242356 in words is "four trillion, forty billion, four hundred three million, two hundred forty-two thousand, three hundred fifty-six".