6442245424 has 10 divisors (see below), whose sum is σ = 12481850540. Its totient is φ = 3221122704.

The previous prime is 6442245409. The next prime is 6442245437. The reversal of 6442245424 is 4245422446.

It is a super-2 number, since 2×6442245424² = 83005052206097879552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201320154 + ... + 201320185.

It is an arithmetic number, because the mean of its divisors is an integer number (1248185054).

Almost surely, 2^6442245424 is an apocalyptic number.

It is an amenable number.

6442245424 is a deficient number, since it is larger than the sum of its proper divisors (6039605116).

6442245424 is a wasteful number, since it uses less digits than its factorization.

6442245424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402640347 (or 402640341 counting only the distinct ones).

The product of its digits is 245760, while the sum is 37.

The square root of 6442245424 is about 80263.5996202513. The cubic root of 6442245424 is about 1860.7117005117.

The spelling of 6442245424 in words is "six billion, four hundred forty-two million, two hundred forty-five thousand, four hundred twenty-four".