40834681 has 8 divisors (see below), whose sum is σ = 42390144. Its totient is φ = 39307920.

The previous prime is 40834621. The next prime is 40834693. The reversal of 40834681 is 18643804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40834681 - 2¹¹ = 40832633 is a prime.

It is a super-2 number, since 2×40834681² = 3334942344743522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40834621) 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, 4255 + ... + 9988.

It is an arithmetic number, because the mean of its divisors is an integer number (5298768).

Almost surely, 2^40834681 is an apocalyptic number.

It is an amenable number.

40834681 is a deficient number, since it is larger than the sum of its proper divisors (1555463).

40834681 is a wasteful number, since it uses less digits than its factorization.

40834681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14351.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 40834681 is about 6390.2019529902. The cubic root of 40834681 is about 344.3576397014.

The spelling of 40834681 in words is "forty million, eight hundred thirty-four thousand, six hundred eighty-one".