6244378652552 has 16 divisors (see below), whose sum is σ = 12217262581440. Its totient is φ = 2986441964176.

The previous prime is 6244378652539. The next prime is 6244378652591. The reversal of 6244378652552 is 2552568734426.

It is a happy number.

It is a super-2 number, since 2×6244378652552² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6244378652491 and 6244378652500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16968420068 + ... + 16968420435.

It is an arithmetic number, because the mean of its divisors is an integer number (763578911340).

Almost surely, 2^{6244378652552} is an apocalyptic number.

It is an amenable number.

6244378652552 is a deficient number, since it is larger than the sum of its proper divisors (5972883928888).

6244378652552 is a wasteful number, since it uses less digits than its factorization.

6244378652552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33936840532 (or 33936840528 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 59.

The spelling of 6244378652552 in words is "six trillion, two hundred forty-four billion, three hundred seventy-eight million, six hundred fifty-two thousand, five hundred fifty-two".