40694959 has 2 divisors, whose sum is σ = 40694960. Its totient is φ = 40694958.

The previous prime is 40694939. The next prime is 40694987. The reversal of 40694959 is 95949604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40694959 - 2²¹ = 38597807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40694939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20347479 + 20347480.

It is an arithmetic number, because the mean of its divisors is an integer number (20347480).

Almost surely, 2^40694959 is an apocalyptic number.

40694959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40694959 is an equidigital number, since it uses as much as digits as its factorization.

40694959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 40694959 is about 6379.2600668103. The cubic root of 40694959 is about 343.9644337441.

The spelling of 40694959 in words is "forty million, six hundred ninety-four thousand, nine hundred fifty-nine".