6344149380 has 96 divisors (see below), whose sum is σ = 18356502528. Its totient is φ = 1635427200.

The previous prime is 6344149379. The next prime is 6344149393. The reversal of 6344149380 is 839414436.

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, 3389845 + ... + 3391715.

It is an arithmetic number, because the mean of its divisors is an integer number (191213568).

Almost surely, 2^6344149380 is an apocalyptic number.

6344149380 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 6344149380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9178251264).

6344149380 is an abundant number, since it is smaller than the sum of its proper divisors (12012353148).

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

6344149380 is a wasteful number, since it uses less digits than its factorization.

6344149380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737 (or 3735 counting only the distinct ones).

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

The square root of 6344149380 is about 79650.1687380510. The cubic root of 6344149380 is about 1851.2190047276.

The spelling of 6344149380 in words is "six billion, three hundred forty-four million, one hundred forty-nine thousand, three hundred eighty".