1330244642544 has 20 divisors (see below), whose sum is σ = 3436465326696. Its totient is φ = 443414880832.

The previous prime is 1330244642539. The next prime is 1330244642549. The reversal of 1330244642544 is 4452464420331.

It is an interprime number because it is at equal distance from previous prime (1330244642539) and next prime (1330244642549).

It is a junction number, because it is equal to n+sod(n) for n = 1330244642496 and 1330244642505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330244642549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13856714979 + ... + 13856715074.

Almost surely, 2^{1330244642544} is an apocalyptic number.

It is an amenable number.

1330244642544 is an abundant number, since it is smaller than the sum of its proper divisors (2106220684152).

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

1330244642544 is a wasteful number, since it uses less digits than its factorization.

1330244642544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27713430064 (or 27713430058 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 1330244642544 in words is "one trillion, three hundred thirty billion, two hundred forty-four million, six hundred forty-two thousand, five hundred forty-four".