40520856075 has 48 divisors (see below), whose sum is σ = 76583312640. Its totient is φ = 18519419520.

The previous prime is 40520856011. The next prime is 40520856097. The reversal of 40520856075 is 57065802504.

It is not a de Polignac number, because 40520856075 - 2⁶ = 40520856011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3431281 + ... + 3443069.

It is an arithmetic number, because the mean of its divisors is an integer number (1595485680).

Almost surely, 2^40520856075 is an apocalyptic number.

40520856075 is a deficient number, since it is larger than the sum of its proper divisors (36062456565).

40520856075 is a wasteful number, since it uses less digits than its factorization.

40520856075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18356 (or 18351 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 40520856075 in words is "forty billion, five hundred twenty million, eight hundred fifty-six thousand, seventy-five".