6856547340 has 24 divisors (see below), whose sum is σ = 19198332720. Its totient is φ = 1828412608.

The previous prime is 6856547333. The next prime is 6856547351. The reversal of 6856547340 is 437456586.

It is a super-2 number, since 2×6856547340² = 94024482851322151200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6856547340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57137835 + ... + 57137954.

It is an arithmetic number, because the mean of its divisors is an integer number (799930530).

Almost surely, 2^6856547340 is an apocalyptic number.

6856547340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6856547340 is an abundant number, since it is smaller than the sum of its proper divisors (12341785380).

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

6856547340 is a wasteful number, since it uses less digits than its factorization.

6856547340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114275801 (or 114275799 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The square root of 6856547340 is about 82804.2712666442. The cubic root of 6856547340 is about 1899.7735039334.

The spelling of 6856547340 in words is "six billion, eight hundred fifty-six million, five hundred forty-seven thousand, three hundred forty".