40401706 has 16 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 19403280.

The previous prime is 40401701. The next prime is 40401709. The reversal of 40401706 is 60710404.

40401706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40401701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^40401706 is an apocalyptic number.

40401706 is a deficient number, since it is larger than the sum of its proper divisors (22635734).

40401706 is a wasteful number, since it uses less digits than its factorization.

40401706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40401706 is about 6356.2336332139. The cubic root of 40401706 is about 343.1362241422.

The spelling of 40401706 in words is "forty million, four hundred one thousand, seven hundred six".