40218288872 has 32 divisors (see below), whose sum is σ = 77184569280. Its totient is φ = 19641087360.

The previous prime is 40218288853. The next prime is 40218288881. The reversal of 40218288872 is 27888281204.

It is a self number, because there is not a number n which added to its sum of digits gives 40218288872.

It is an unprimeable number.

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, 274154 + ... + 394457.

It is an arithmetic number, because the mean of its divisors is an integer number (2412017790).

Almost surely, 2^40218288872 is an apocalyptic number.

It is an amenable number.

40218288872 is a deficient number, since it is larger than the sum of its proper divisors (36966280408).

40218288872 is a wasteful number, since it uses less digits than its factorization.

40218288872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668793 (or 668789 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 50.

The spelling of 40218288872 in words is "forty billion, two hundred eighteen million, two hundred eighty-eight thousand, eight hundred seventy-two".