1447275238656 has 144 divisors (see below), whose sum is σ = 4392169798464. Its totient is φ = 419120381952.

The previous prime is 1447275238631. The next prime is 1447275238679. The reversal of 1447275238656 is 6568325727441.

It is a self number, because there is not a number n which added to its sum of digits gives 1447275238656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4093786 + ... + 4433241.

It is an arithmetic number, because the mean of its divisors is an integer number (30501179156).

Almost surely, 2^{1447275238656} is an apocalyptic number.

1447275238656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1447275238656 is an abundant number, since it is smaller than the sum of its proper divisors (2944894559808).

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

1447275238656 is a wasteful number, since it uses less digits than its factorization.

1447275238656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527076 (or 8527062 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 60.

The spelling of 1447275238656 in words is "one trillion, four hundred forty-seven billion, two hundred seventy-five million, two hundred thirty-eight thousand, six hundred fifty-six".