6398244132 has 192 divisors, whose sum is σ = 18355814400. Its totient is φ = 1695375360.

The previous prime is 6398244131. The next prime is 6398244133. The reversal of 6398244132 is 2314428936.

It is an interprime number because it is at equal distance from previous prime (6398244131) and next prime (6398244133).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6398244131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14574369 + ... + 14574807.

It is an arithmetic number, because the mean of its divisors is an integer number (95603200).

Almost surely, 2^6398244132 is an apocalyptic number.

6398244132 is a gapful number since it is divisible by the number (62) 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 6398244132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9177907200).

6398244132 is an abundant number, since it is smaller than the sum of its proper divisors (11957570268).

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

6398244132 is a wasteful number, since it uses less digits than its factorization.

6398244132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 6398244132 is about 79989.0250721935. The cubic root of 6398244132 is about 1856.4657258879.

The spelling of 6398244132 in words is "six billion, three hundred ninety-eight million, two hundred forty-four thousand, one hundred thirty-two".