40373073256 has 8 divisors (see below), whose sum is σ = 75699512370. Its totient is φ = 20186536624.

The previous prime is 40373073211. The next prime is 40373073317. The reversal of 40373073256 is 65237037304.

It can be written as a sum of positive squares in only one way, i.e., 24974745156 + 15398328100 = 158034^2 + 124090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 2523317071 + ... + 2523317086.

Almost surely, 2^40373073256 is an apocalyptic number.

It is an amenable number.

40373073256 is a deficient number, since it is larger than the sum of its proper divisors (35326439114).

40373073256 is a wasteful number, since it uses less digits than its factorization.

40373073256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046634163 (or 5046634159 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 40373073256 in words is "forty billion, three hundred seventy-three million, seventy-three thousand, two hundred fifty-six".