40694871 has 16 divisors (see below), whose sum is σ = 62411264. Its totient is φ = 23104224.

The previous prime is 40694851. The next prime is 40694879. The reversal of 40694871 is 17849604.

It is a happy number.

It is not a de Polignac number, because 40694871 - 2⁶ = 40694807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40694879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875 + ... + 9468.

It is an arithmetic number, because the mean of its divisors is an integer number (3900704).

Almost surely, 2^40694871 is an apocalyptic number.

40694871 is a deficient number, since it is larger than the sum of its proper divisors (21716393).

40694871 is a wasteful number, since it uses less digits than its factorization.

40694871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40694871 is about 6379.2531694549. The cubic root of 40694871 is about 343.9641858109.

The spelling of 40694871 in words is "forty million, six hundred ninety-four thousand, eight hundred seventy-one".