40608906 has 32 divisors (see below), whose sum is σ = 89835648. Its totient is φ = 12156480.

The previous prime is 40608863. The next prime is 40608913. The reversal of 40608906 is 60980604.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150 + ... + 9921.

It is an arithmetic number, because the mean of its divisors is an integer number (2807364).

Almost surely, 2^40608906 is an apocalyptic number.

40608906 is an abundant number, since it is smaller than the sum of its proper divisors (49226742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40608906 is a wasteful number, since it uses less digits than its factorization.

40608906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14126.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 40608906 is about 6372.5117496949. The cubic root of 40608906 is about 343.7218151657.

It can be divided in two parts, 40608 and 906, that added together give a palindrome (41514).

The spelling of 40608906 in words is "forty million, six hundred eight thousand, nine hundred six".