40685410 has 8 divisors (see below), whose sum is σ = 73233756. Its totient is φ = 16274160.

The previous prime is 40685401. The next prime is 40685431. The reversal of 40685410 is 1458604.

It can be written as a sum of positive squares in 2 ways, for example, as 40030929 + 654481 = 6327^2 + 809^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034261 + ... + 2034280.

Almost surely, 2^40685410 is an apocalyptic number.

40685410 is a deficient number, since it is larger than the sum of its proper divisors (32548346).

40685410 is a wasteful number, since it uses less digits than its factorization.

40685410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068548.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40685410 is about 6378.5115818661. The cubic root of 40685410 is about 343.9375280912.

The spelling of 40685410 in words is "forty million, six hundred eighty-five thousand, four hundred ten".