40655992 has 24 divisors (see below), whose sum is σ = 82547640. Its totient is φ = 18763680.

The previous prime is 40655957. The next prime is 40656013. The reversal of 40655992 is 29955604.

40655992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13684 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (3439485).

Almost surely, 2^40655992 is an apocalyptic number.

It is an amenable number.

40655992 is an abundant number, since it is smaller than the sum of its proper divisors (41891648).

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

40655992 is a wasteful number, since it uses less digits than its factorization.

40655992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30103 (or 30086 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 40655992 is about 6376.2051409910. The cubic root of 40655992 is about 343.8546122597.

The spelling of 40655992 in words is "forty million, six hundred fifty-five thousand, nine hundred ninety-two".