40026440626 has 16 divisors (see below), whose sum is σ = 60246646200. Its totient is φ = 19944258048.

The previous prime is 40026440591. The next prime is 40026440627. The reversal of 40026440626 is 62604462004.

It can be written as a sum of positive squares in 4 ways, for example, as 24822317601 + 15204123025 = 157551^2 + 123305^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40026440591 and 40026440600.

It is not an unprimeable number, because it can be changed into a prime (40026440627) 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, 4458270 + ... + 4467238.

Almost surely, 2^40026440626 is an apocalyptic number.

40026440626 is a deficient number, since it is larger than the sum of its proper divisors (20220205574).

40026440626 is a wasteful number, since it uses less digits than its factorization.

40026440626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40026440626 in words is "forty billion, twenty-six million, four hundred forty thousand, six hundred twenty-six".