440530640212065 has 64 divisors (see below), whose sum is σ = 779590532641536. Its totient is φ = 211013198779392.

The previous prime is 440530640212031. The next prime is 440530640212093. The reversal of 440530640212065 is 560212046035044.

It is a happy number.

It is not a de Polignac number, because 440530640212065 - 2¹⁰ = 440530640211041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1122652639 + ... + 1123044971.

It is an arithmetic number, because the mean of its divisors is an integer number (12181102072524).

Almost surely, 2^{440530640212065} is an apocalyptic number.

It is an amenable number.

440530640212065 is a deficient number, since it is larger than the sum of its proper divisors (339059892429471).

440530640212065 is a wasteful number, since it uses less digits than its factorization.

440530640212065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548018.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 440530640212065 in words is "four hundred forty trillion, five hundred thirty billion, six hundred forty million, two hundred twelve thousand, sixty-five".