40707806 has 4 divisors (see below), whose sum is σ = 61061712. Its totient is φ = 20353902.

The previous prime is 40707803. The next prime is 40707833. The reversal of 40707806 is 60870704.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176950 + ... + 10176953.

It is an arithmetic number, because the mean of its divisors is an integer number (15265428).

Almost surely, 2^40707806 is an apocalyptic number.

40707806 is a deficient number, since it is larger than the sum of its proper divisors (20353906).

40707806 is a wasteful number, since it uses less digits than its factorization.

40707806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20353905.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 40707806 is about 6380.2669223160. The cubic root of 40707806 is about 344.0006253369. Note that the first 3 decimals are identical.

The spelling of 40707806 in words is "forty million, seven hundred seven thousand, eight hundred six".