40266695531441 has 4 divisors (see below), whose sum is σ = 40301618945892. Its totient is φ = 40231772116992.

The previous prime is 40266695531399. The next prime is 40266695531449. The reversal of 40266695531441 is 14413559666204.

It is a happy number.

40266695531441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37435687377841 + 2831008153600 = 6118471^2 + 1682560^2 .

It is a cyclic number.

It is not a de Polignac number, because 40266695531441 - 2³⁸ = 39991817624497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40266695531449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17461705496 + ... + 17461707801.

It is an arithmetic number, because the mean of its divisors is an integer number (10075404736473).

Almost surely, 2^{40266695531441} is an apocalyptic number.

It is an amenable number.

40266695531441 is a deficient number, since it is larger than the sum of its proper divisors (34923414451).

40266695531441 is a wasteful number, since it uses less digits than its factorization.

40266695531441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34923414450.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 40266695531441 in words is "forty trillion, two hundred sixty-six billion, six hundred ninety-five million, five hundred thirty-one thousand, four hundred forty-one".