6442130544 has 40 divisors (see below), whose sum is σ = 16741845120. Its totient is φ = 2134515648.

The previous prime is 6442130537. The next prime is 6442130561. The reversal of 6442130544 is 4450312446.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393814 + ... + 409845.

It is an arithmetic number, because the mean of its divisors is an integer number (418546128).

Almost surely, 2^6442130544 is an apocalyptic number.

It is an amenable number.

6442130544 is an abundant number, since it is smaller than the sum of its proper divisors (10299714576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6442130544 is a wasteful number, since it uses less digits than its factorization.

6442130544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803837 (or 803831 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 6442130544 is about 80262.8839750977. The cubic root of 6442130544 is about 1860.7006401947.

The spelling of 6442130544 in words is "six billion, four hundred forty-two million, one hundred thirty thousand, five hundred forty-four".