6839364540 has 24 divisors (see below), whose sum is σ = 19150220880. Its totient is φ = 1823830528.

The previous prime is 6839364533. The next prime is 6839364541. The reversal of 6839364540 is 454639386.

It is a super-2 number, since 2×6839364540² = 93553814622018823200, 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 6839364540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839364541) 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 7 ways as a sum of consecutive naturals, for example, 56994645 + ... + 56994764.

It is an arithmetic number, because the mean of its divisors is an integer number (797925870).

Almost surely, 2^6839364540 is an apocalyptic number.

6839364540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6839364540 is an abundant number, since it is smaller than the sum of its proper divisors (12310856340).

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

6839364540 is a wasteful number, since it uses less digits than its factorization.

6839364540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113989421 (or 113989419 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The square root of 6839364540 is about 82700.4506638265. The cubic root of 6839364540 is about 1898.1852052762.

The spelling of 6839364540 in words is "six billion, eight hundred thirty-nine million, three hundred sixty-four thousand, five hundred forty".