40909694 has 8 divisors (see below), whose sum is σ = 70130928. Its totient is φ = 17532720.

The previous prime is 40909681. The next prime is 40909697. The reversal of 40909694 is 49690904.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40909697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461047 + ... + 1461074.

It is an arithmetic number, because the mean of its divisors is an integer number (8766366).

Almost surely, 2^40909694 is an apocalyptic number.

40909694 is a deficient number, since it is larger than the sum of its proper divisors (29221234).

40909694 is a wasteful number, since it uses less digits than its factorization.

40909694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922130.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 40909694 is about 6396.0686362796. The cubic root of 40909694 is about 344.5683715092.

The spelling of 40909694 in words is "forty million, nine hundred nine thousand, six hundred ninety-four".