40662385613 has 12 divisors (see below), whose sum is σ = 41474811168. Its totient is φ = 39864342240.

The previous prime is 40662385591. The next prime is 40662385637. The reversal of 40662385613 is 31658326604.

It is a happy number.

It is not a de Polignac number, because 40662385613 - 2²² = 40658191309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40662382613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867098 + ... + 912788.

It is an arithmetic number, because the mean of its divisors is an integer number (3456234264).

Almost surely, 2^40662385613 is an apocalyptic number.

It is an amenable number.

40662385613 is a deficient number, since it is larger than the sum of its proper divisors (812425555).

40662385613 is an equidigital number, since it uses as much as digits as its factorization.

40662385613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46004 (or 45931 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 40662385613 in words is "forty billion, six hundred sixty-two million, three hundred eighty-five thousand, six hundred thirteen".