40690771 has 8 divisors (see below), whose sum is σ = 45422784. Its totient is φ = 36130920.

The previous prime is 40690757. The next prime is 40690777. The reversal of 40690771 is 17709604.

40690771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40690771 - 2¹¹ = 40688723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40690777) 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 7 ways as a sum of consecutive naturals, for example, 42541 + ... + 43486.

It is an arithmetic number, because the mean of its divisors is an integer number (5677848).

Almost surely, 2^40690771 is an apocalyptic number.

40690771 is a deficient number, since it is larger than the sum of its proper divisors (4732013).

40690771 is a wasteful number, since it uses less digits than its factorization.

40690771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86081.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 40690771 is about 6378.9318071288. The cubic root of 40690771 is about 343.9526339823.

The spelling of 40690771 in words is "forty million, six hundred ninety thousand, seven hundred seventy-one".