6458813340 has 96 divisors (see below), whose sum is σ = 20703513600. Its totient is φ = 1473778176.

The previous prime is 6458813311. The next prime is 6458813363. The reversal of 6458813340 is 433188546.

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

It is a junction number, because it is equal to n+sod(n) for n = 6458813292 and 6458813301.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 238744 + ... + 264416.

It is an arithmetic number, because the mean of its divisors is an integer number (215661600).

Almost surely, 2^6458813340 is an apocalyptic number.

6458813340 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 6458813340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10351756800).

6458813340 is an abundant number, since it is smaller than the sum of its proper divisors (14244700260).

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

6458813340 is a wasteful number, since it uses less digits than its factorization.

6458813340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26291 (or 26289 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 6458813340 is about 80366.7427484777. The cubic root of 6458813340 is about 1862.3054370278.

The spelling of 6458813340 in words is "six billion, four hundred fifty-eight million, eight hundred thirteen thousand, three hundred forty".