6460442446 has 16 divisors (see below), whose sum is σ = 10164953088. Its totient is φ = 3073595800.

The previous prime is 6460442419. The next prime is 6460442489. The reversal of 6460442446 is 6442440646.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6460442399 and 6460442408.

It is a congruent number.

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, 358870 + ... + 376441.

It is an arithmetic number, because the mean of its divisors is an integer number (635309568).

Almost surely, 2^6460442446 is an apocalyptic number.

6460442446 is a deficient number, since it is larger than the sum of its proper divisors (3704510642).

6460442446 is a wasteful number, since it uses less digits than its factorization.

6460442446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735527.

The product of its (nonzero) digits is 442368, while the sum is 40.

The square root of 6460442446 is about 80376.8775581635. The cubic root of 6460442446 is about 1862.4620002517.

The spelling of 6460442446 in words is "six billion, four hundred sixty million, four hundred forty-two thousand, four hundred forty-six".