40206645425613 has 32 divisors (see below), whose sum is σ = 56967374217600. Its totient is φ = 25152180984576.

The previous prime is 40206645425591. The next prime is 40206645425623. The reversal of 40206645425613 is 31652454660204.

40206645425613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40206645425613 - 2¹⁸ = 40206645163469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206645425623) 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 31 ways as a sum of consecutive naturals, for example, 17277595 + ... + 19466087.

It is an arithmetic number, because the mean of its divisors is an integer number (1780230444300).

Almost surely, 2^{40206645425613} is an apocalyptic number.

It is an amenable number.

40206645425613 is a deficient number, since it is larger than the sum of its proper divisors (16760728791987).

40206645425613 is a wasteful number, since it uses less digits than its factorization.

40206645425613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191581.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 40206645425613 in words is "forty trillion, two hundred six billion, six hundred forty-five million, four hundred twenty-five thousand, six hundred thirteen".