40263545613 has 16 divisors (see below), whose sum is σ = 53758305216. Its totient is φ = 26805605760.

The previous prime is 40263545593. The next prime is 40263545627. The reversal of 40263545613 is 31654536204.

It is not a de Polignac number, because 40263545613 - 2¹⁸ = 40263283469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263545653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10447995 + ... + 10451847.

It is an arithmetic number, because the mean of its divisors is an integer number (3359894076).

Almost surely, 2^40263545613 is an apocalyptic number.

It is an amenable number.

40263545613 is a deficient number, since it is larger than the sum of its proper divisors (13494759603).

40263545613 is a wasteful number, since it uses less digits than its factorization.

40263545613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 40263545613 in words is "forty billion, two hundred sixty-three million, five hundred forty-five thousand, six hundred thirteen".