440063666064 has 60 divisors (see below), whose sum is σ = 1343527712592. Its totient is φ = 133352625600.

The previous prime is 440063666057. The next prime is 440063666083. The reversal of 440063666064 is 460666360044.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138907402 + ... + 138910569.

Almost surely, 2^440063666064 is an apocalyptic number.

440063666064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440063666064 is an abundant number, since it is smaller than the sum of its proper divisors (903464046528).

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

440063666064 is a wasteful number, since it uses less digits than its factorization.

440063666064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277817996 (or 277817987 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 440063666064 in words is "four hundred forty billion, sixty-three million, six hundred sixty-six thousand, sixty-four".