440064064652013 has 48 divisors (see below), whose sum is σ = 643265278656000. Its totient is φ = 289881438837120.

The previous prime is 440064064652011. The next prime is 440064064652059. The reversal of 440064064652013 is 310256460460044.

440064064652013 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 64 + 0 + 64 + 6 + 520 + 1 + 3 = 666.

It is not a de Polignac number, because 440064064652013 - 2¹ = 440064064652011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440064064652013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440064064652011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6751590858 + ... + 6751656036.

It is an arithmetic number, because the mean of its divisors is an integer number (13401359972000).

Almost surely, 2^{440064064652013} is an apocalyptic number.

It is an amenable number.

440064064652013 is a deficient number, since it is larger than the sum of its proper divisors (203201214003987).

440064064652013 is a wasteful number, since it uses less digits than its factorization.

440064064652013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91922 (or 91919 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 440064064652013 in words is "four hundred forty trillion, sixty-four billion, sixty-four million, six hundred fifty-two thousand, thirteen".