40867065 has 32 divisors (see below), whose sum is σ = 76930560. Its totient is φ = 20512512.

The previous prime is 40867063. The next prime is 40867091. The reversal of 40867065 is 56076804.

It is a happy number.

It is not a de Polignac number, because 40867065 - 2¹ = 40867063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40867063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6609 + ... + 11198.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^40867065 is an apocalyptic number.

40867065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40867065 is a deficient number, since it is larger than the sum of its proper divisors (36063495).

40867065 is a wasteful number, since it uses less digits than its factorization.

40867065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838 (or 17832 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 40867065 is about 6392.7353300446. The cubic root of 40867065 is about 344.4486467480.

The spelling of 40867065 in words is "forty million, eight hundred sixty-seven thousand, sixty-five".