6409242272 has 12 divisors (see below), whose sum is σ = 12618195786. Its totient is φ = 3204621120.

The previous prime is 6409242269. The next prime is 6409242313. The reversal of 6409242272 is 2722429046.

It can be written as a sum of positive squares in only one way, i.e., 4738394896 + 1670847376 = 68836^2 + 40876^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100144379 + ... + 100144442.

Almost surely, 2^6409242272 is an apocalyptic number.

It is an amenable number.

6409242272 is a deficient number, since it is larger than the sum of its proper divisors (6208953514).

6409242272 is a wasteful number, since it uses less digits than its factorization.

6409242272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200288831 (or 200288823 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 6409242272 is about 80057.7433606519. The cubic root of 6409242272 is about 1857.5288291311.

The spelling of 6409242272 in words is "six billion, four hundred nine million, two hundred forty-two thousand, two hundred seventy-two".