40455647613 has 16 divisors (see below), whose sum is σ = 59993035200. Its totient is φ = 26943997680.

The previous prime is 40455647587. The next prime is 40455647627. The reversal of 40455647613 is 31674655404.

40455647613 is a `hidden beast` number, since 4 + 0 + 4 + 5 + 564 + 76 + 13 = 666.

It is not a de Polignac number, because 40455647613 - 2⁵ = 40455647581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455647213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706203 + ... + 761336.

It is an arithmetic number, because the mean of its divisors is an integer number (3749564700).

Almost surely, 2^40455647613 is an apocalyptic number.

It is an amenable number.

40455647613 is a deficient number, since it is larger than the sum of its proper divisors (19537387587).

40455647613 is a wasteful number, since it uses less digits than its factorization.

40455647613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468569 (or 1468563 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 40455647613 in words is "forty billion, four hundred fifty-five million, six hundred forty-seven thousand, six hundred thirteen".