40377645188 has 24 divisors (see below), whose sum is σ = 71785030464. Its totient is φ = 19868660000.

The previous prime is 40377645181. The next prime is 40377645229. The reversal of 40377645188 is 88154677304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40377645181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30563 + ... + 285813.

It is an arithmetic number, because the mean of its divisors is an integer number (2991042936).

Almost surely, 2^40377645188 is an apocalyptic number.

It is an amenable number.

40377645188 is a deficient number, since it is larger than the sum of its proper divisors (31407385276).

40377645188 is a wasteful number, since it uses less digits than its factorization.

40377645188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255883 (or 255881 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 40377645188 in words is "forty billion, three hundred seventy-seven million, six hundred forty-five thousand, one hundred eighty-eight".