440064064643052 has 48 divisors (see below), whose sum is σ = 1041861320675840. Its totient is φ = 144542492247168.

The previous prime is 440064064643029. The next prime is 440064064643053. The reversal of 440064064643052 is 250346460460044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440064064642992 and 440064064643010.

It is not an unprimeable number, because it can be changed into a prime (440064064643053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235360552 + ... + 237222927.

Almost surely, 2^{440064064643052} is an apocalyptic number.

It is an amenable number.

440064064643052 is an abundant number, since it is smaller than the sum of its proper divisors (601797256032788).

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

440064064643052 is a wasteful number, since it uses less digits than its factorization.

440064064643052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472584622 (or 472584620 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 48.

The spelling of 440064064643052 in words is "four hundred forty trillion, sixty-four billion, sixty-four million, six hundred forty-three thousand, fifty-two".