1443776500056 has 64 divisors (see below), whose sum is σ = 4043993172480. Its totient is φ = 425683486080.

The previous prime is 1443776500051. The next prime is 1443776500069. The reversal of 1443776500056 is 6500056773441.

It is a happy number.

It is a super-2 number, since 2×1443776500056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1443776499978 and 1443776500014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443776500051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73893616 + ... + 73913151.

It is an arithmetic number, because the mean of its divisors is an integer number (63187393320).

Almost surely, 2^{1443776500056} is an apocalyptic number.

It is an amenable number.

1443776500056 is an abundant number, since it is smaller than the sum of its proper divisors (2600216672424).

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

1443776500056 is a wasteful number, since it uses less digits than its factorization.

1443776500056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147806824 (or 147806820 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 1443776500056 in words is "one trillion, four hundred forty-three billion, seven hundred seventy-six million, five hundred thousand, fifty-six".