6444013006552 has 32 divisors (see below), whose sum is σ = 13181439744000. Its totient is φ = 2928984810400.

The previous prime is 6444013006531. The next prime is 6444013006573. The reversal of 6444013006552 is 2556003104446.

It is an interprime number because it is at equal distance from previous prime (6444013006531) and next prime (6444013006573).

It is a super-2 number, since 2×6444013006552² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936177 + ... + 3710047.

It is an arithmetic number, because the mean of its divisors is an integer number (411919992000).

Almost surely, 2^{6444013006552} is an apocalyptic number.

It is an amenable number.

6444013006552 is an abundant number, since it is smaller than the sum of its proper divisors (6737426737448).

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

6444013006552 is a wasteful number, since it uses less digits than its factorization.

6444013006552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800287 (or 2800283 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 6444013006552 in words is "six trillion, four hundred forty-four billion, thirteen million, six thousand, five hundred fifty-two".