6432266880 has 768 divisors, whose sum is σ = 26304445440. Its totient is φ = 1433272320.

The previous prime is 6432266873. The next prime is 6432266891. The reversal of 6432266880 is 886622346.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39461679 + ... + 39461841.

It is an arithmetic number, because the mean of its divisors is an integer number (34250580).

Almost surely, 2^6432266880 is an apocalyptic number.

6432266880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6432266880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13152222720).

6432266880 is an abundant number, since it is smaller than the sum of its proper divisors (19872178560).

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

6432266880 is a wasteful number, since it uses less digits than its factorization.

6432266880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 6432266880 is about 80201.4144513674. The cubic root of 6432266880 is about 1859.7505041691.

The spelling of 6432266880 in words is "six billion, four hundred thirty-two million, two hundred sixty-six thousand, eight hundred eighty".