40278544324 has 12 divisors (see below), whose sum is σ = 71025525648. Its totient is φ = 19985537000.

The previous prime is 40278544297. The next prime is 40278544333. The reversal of 40278544324 is 42344587204.

It is a happy number.

It is a super-2 number, since 2×40278544324² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 38433202 + ... + 38434249.

It is an arithmetic number, because the mean of its divisors is an integer number (5918793804).

Almost surely, 2^40278544324 is an apocalyptic number.

It is an amenable number.

40278544324 is a deficient number, since it is larger than the sum of its proper divisors (30746981324).

40278544324 is a wasteful number, since it uses less digits than its factorization.

40278544324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76867586 (or 76867584 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 43.

The spelling of 40278544324 in words is "forty billion, two hundred seventy-eight million, five hundred forty-four thousand, three hundred twenty-four".