6427132980 has 96 divisors (see below), whose sum is σ = 18517984128. Its totient is φ = 1664832000.

The previous prime is 6427132969. The next prime is 6427132997. The reversal of 6427132980 is 892317246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311175 + ... + 331185.

It is an arithmetic number, because the mean of its divisors is an integer number (192895668).

Almost surely, 2^6427132980 is an apocalyptic number.

6427132980 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 6427132980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9258992064).

6427132980 is an abundant number, since it is smaller than the sum of its proper divisors (12090851148).

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

6427132980 is a wasteful number, since it uses less digits than its factorization.

6427132980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20177 (or 20175 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 6427132980 is about 80169.4017690041. The cubic root of 6427132980 is about 1859.2555871828.

The spelling of 6427132980 in words is "six billion, four hundred twenty-seven million, one hundred thirty-two thousand, nine hundred eighty".