6634231980 has 288 divisors, whose sum is σ = 20795443200. Its totient is φ = 1577791488.

The previous prime is 6634231949. The next prime is 6634232021. The reversal of 6634231980 is 891324366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39725857 + ... + 39726023.

It is an arithmetic number, because the mean of its divisors is an integer number (72206400).

Almost surely, 2^6634231980 is an apocalyptic number.

6634231980 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 6634231980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10397721600).

6634231980 is an abundant number, since it is smaller than the sum of its proper divisors (14161211220).

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

6634231980 is a wasteful number, since it uses less digits than its factorization.

6634231980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 6634231980 is about 81450.7948395840. The cubic root of 6634231980 is about 1879.0148735742.

The spelling of 6634231980 in words is "six billion, six hundred thirty-four million, two hundred thirty-one thousand, nine hundred eighty".