6857459340 has 24 divisors (see below), whose sum is σ = 19200886320. Its totient is φ = 1828655808.

The previous prime is 6857459299. The next prime is 6857459341. The reversal of 6857459340 is 439547586.

It is not an unprimeable number, because it can be changed into a prime (6857459341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57145435 + ... + 57145554.

It is an arithmetic number, because the mean of its divisors is an integer number (800036930).

Almost surely, 2^6857459340 is an apocalyptic number.

6857459340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6857459340 is an abundant number, since it is smaller than the sum of its proper divisors (12343426980).

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

6857459340 is a wasteful number, since it uses less digits than its factorization.

6857459340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114291001 (or 114290999 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 6857459340 is about 82809.7780458322. The cubic root of 6857459340 is about 1899.8577308063.

The spelling of 6857459340 in words is "six billion, eight hundred fifty-seven million, four hundred fifty-nine thousand, three hundred forty".