40260069 has 12 divisors (see below), whose sum is σ = 61214400. Its totient is φ = 25427304.

The previous prime is 40260049. The next prime is 40260071. The reversal of 40260069 is 96006204.

40260069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40260069 - 2⁵ = 40260037 is a prime.

It is a super-2 number, since 2×40260069² = 3241746311769522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117549 + ... + 117890.

It is an arithmetic number, because the mean of its divisors is an integer number (5101200).

Almost surely, 2^40260069 is an apocalyptic number.

It is an amenable number.

40260069 is a deficient number, since it is larger than the sum of its proper divisors (20954331).

40260069 is a wasteful number, since it uses less digits than its factorization.

40260069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235464 (or 235461 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40260069 is about 6345.0822689702. The cubic root of 40260069 is about 342.7347750069.

The spelling of 40260069 in words is "forty million, two hundred sixty thousand, sixty-nine".