40609377 has 16 divisors (see below), whose sum is σ = 60264000. Its totient is φ = 27027072.

The previous prime is 40609343. The next prime is 40609391. The reversal of 40609377 is 77390604.

40609377 is a `hidden beast` number, since 40 + 609 + 3 + 7 + 7 = 666.

40609377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40609377 - 2⁷ = 40609249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40605377) 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 15 ways as a sum of consecutive naturals, for example, 24274 + ... + 25892.

It is an arithmetic number, because the mean of its divisors is an integer number (3766500).

Almost surely, 2^40609377 is an apocalyptic number.

It is an amenable number.

40609377 is a deficient number, since it is larger than the sum of its proper divisors (19654623).

40609377 is a wasteful number, since it uses less digits than its factorization.

40609377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2551 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 40609377 is about 6372.5487051885. The cubic root of 40609377 is about 343.7231440396.

The spelling of 40609377 in words is "forty million, six hundred nine thousand, three hundred seventy-seven".