440530466654464 has 36 divisors (see below), whose sum is σ = 887877393859456. Its totient is φ = 218126735903232.

The previous prime is 440530466654441. The next prime is 440530466654479. The reversal of 440530466654464 is 464456664035044.

It is a super-2 number, since 2×440530466654464² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8353479144 + ... + 8353531879.

Almost surely, 2^{440530466654464} is an apocalyptic number.

It is an amenable number.

440530466654464 is an abundant number, since it is smaller than the sum of its proper divisors (447346927204992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440530466654464 is a wasteful number, since it uses less digits than its factorization.

440530466654464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16707011142 (or 16707011128 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 61.

The spelling of 440530466654464 in words is "four hundred forty trillion, five hundred thirty billion, four hundred sixty-six million, six hundred fifty-four thousand, four hundred sixty-four".