4040626123 has 4 divisors (see below), whose sum is σ = 4044546288. Its totient is φ = 4036705960.

The previous prime is 4040626111. The next prime is 4040626129. The reversal of 4040626123 is 3216260404.

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

It is a cyclic number.

It is not a de Polignac number, because 4040626123 - 2²¹ = 4038528971 is a prime.

It is a super-2 number, since 2×4040626123² = 32653318931740022258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4040626091 and 4040626100.

It is not an unprimeable number, because it can be changed into a prime (4040626129) 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, 1958536 + ... + 1960597.

It is an arithmetic number, because the mean of its divisors is an integer number (1011136572).

Almost surely, 2^4040626123 is an apocalyptic number.

4040626123 is a deficient number, since it is larger than the sum of its proper divisors (3920165).

4040626123 is a wasteful number, since it uses less digits than its factorization.

4040626123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920164.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4040626123 is about 63565.9195088060. The cubic root of 4040626123 is about 1592.7571221897.

Adding to 4040626123 its reverse (3216260404), we get a palindrome (7256886527).

The spelling of 4040626123 in words is "four billion, forty million, six hundred twenty-six thousand, one hundred twenty-three".