40056734257047 has 32 divisors (see below), whose sum is σ = 60071779676160. Its totient is φ = 26376822694080.

The previous prime is 40056734256997. The next prime is 40056734257061. The reversal of 40056734257047 is 74075243765004.

40056734257047 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 67 + 3 + 4 + 2 + 570 + 4 + 7 = 666.

It is not a de Polignac number, because 40056734257047 - 2⁷ = 40056734256919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40056734256984 and 40056734257002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40056734257247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7982922 + ... + 11993352.

It is an arithmetic number, because the mean of its divisors is an integer number (1877243114880).

Almost surely, 2^{40056734257047} is an apocalyptic number.

40056734257047 is a deficient number, since it is larger than the sum of its proper divisors (20015045419113).

40056734257047 is a wasteful number, since it uses less digits than its factorization.

40056734257047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014980 (or 4014974 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 54.

The spelling of 40056734257047 in words is "forty trillion, fifty-six billion, seven hundred thirty-four million, two hundred fifty-seven thousand, forty-seven".