6442832280 has 64 divisors (see below), whose sum is σ = 19384323840. Its totient is φ = 1713126272.

The previous prime is 6442832257. The next prime is 6442832309. The reversal of 6442832280 is 822382446.

It is a super-3 number, since 3×6442832280³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35724 + ... + 119003.

It is an arithmetic number, because the mean of its divisors is an integer number (302880060).

Almost surely, 2^6442832280 is an apocalyptic number.

6442832280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6442832280 is an abundant number, since it is smaller than the sum of its proper divisors (12941491560).

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

6442832280 is a wasteful number, since it uses less digits than its factorization.

6442832280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155088 (or 155084 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 6442832280 is about 80267.2553411414. The cubic root of 6442832280 is about 1860.7681992736.

The spelling of 6442832280 in words is "six billion, four hundred forty-two million, eight hundred thirty-two thousand, two hundred eighty".