6864411240 has 48 divisors (see below), whose sum is σ = 22309337700. Its totient is φ = 1830509568.

The previous prime is 6864411221. The next prime is 6864411247. The reversal of 6864411240 is 421144686.

It is a happy number.

6864411240 is a `hidden beast` number, since 6 + 8 + 644 + 1 + 1 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6836974596 + 27436644 = 82686^2 + 5238^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6864411195 and 6864411204.

It is not an unprimeable number, because it can be changed into a prime (6864411247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9533545 + ... + 9534264.

Almost surely, 2^6864411240 is an apocalyptic number.

6864411240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6864411240 is an abundant number, since it is smaller than the sum of its proper divisors (15444926460).

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

6864411240 is a wasteful number, since it uses less digits than its factorization.

6864411240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19067826 (or 19067819 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 6864411240 is about 82851.7425284466. The cubic root of 6864411240 is about 1900.4995214775.

The spelling of 6864411240 in words is "six billion, eight hundred sixty-four million, four hundred eleven thousand, two hundred forty".