40525066653256 has 32 divisors (see below), whose sum is σ = 76653626575680. Its totient is φ = 20084681736000.

The previous prime is 40525066653223. The next prime is 40525066653259. The reversal of 40525066653256 is 65235666052504.

It is a junction number, because it is equal to n+sod(n) for n = 40525066653197 and 40525066653206.

It is not an unprimeable number, because it can be changed into a prime (40525066653259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35828406 + ... + 36942181.

It is an arithmetic number, because the mean of its divisors is an integer number (2395425830490).

Almost surely, 2^{40525066653256} is an apocalyptic number.

It is an amenable number.

40525066653256 is a deficient number, since it is larger than the sum of its proper divisors (36128559922424).

40525066653256 is a wasteful number, since it uses less digits than its factorization.

40525066653256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72771205 (or 72771201 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 40525066653256 in words is "forty trillion, five hundred twenty-five billion, sixty-six million, six hundred fifty-three thousand, two hundred fifty-six".