40826169009 has 6 divisors (see below), whose sum is σ = 58971133026. Its totient is φ = 27217446000.

The previous prime is 40826168987. The next prime is 40826169017. The reversal of 40826169009 is 90096162804.

It is a happy number.

40826169009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26684202609 + 14141966400 = 163353^2 + 118920^2 .

It is not a de Polignac number, because 40826169009 - 2¹⁶ = 40826103473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40826169809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2268120492 + ... + 2268120509.

It is an arithmetic number, because the mean of its divisors is an integer number (9828522171).

Almost surely, 2^40826169009 is an apocalyptic number.

It is an amenable number.

40826169009 is a deficient number, since it is larger than the sum of its proper divisors (18144964017).

40826169009 is a wasteful number, since it uses less digits than its factorization.

40826169009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536241007 (or 4536241004 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 40826169009 in words is "forty billion, eight hundred twenty-six million, one hundred sixty-nine thousand, nine".