6528742442 has 16 divisors (see below), whose sum is σ = 9835356960. Its totient is φ = 3250305072.

The previous prime is 6528742369. The next prime is 6528742453. The reversal of 6528742442 is 2442478256.

It is a junction number, because it is equal to n+sod(n) for n = 6528742393 and 6528742402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441193 + ... + 1445715.

It is an arithmetic number, because the mean of its divisors is an integer number (614709810).

Almost surely, 2^6528742442 is an apocalyptic number.

6528742442 is a deficient number, since it is larger than the sum of its proper divisors (3306614518).

6528742442 is a wasteful number, since it uses less digits than its factorization.

6528742442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477.

The product of its digits is 860160, while the sum is 44.

The square root of 6528742442 is about 80800.6339207806. The cubic root of 6528742442 is about 1869.0023410477.

The spelling of 6528742442 in words is "six billion, five hundred twenty-eight million, seven hundred forty-two thousand, four hundred forty-two".