6815308840704 has 288 divisors, whose sum is σ = 24805008112640. Its totient is φ = 1797443923968.

The previous prime is 6815308840699. The next prime is 6815308840741. The reversal of 6815308840704 is 4070488035186.

6815308840704 is a `hidden beast` number, since 6 + 8 + 153 + 0 + 88 + 407 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4788652 + ... + 6046635.

Almost surely, 2^{6815308840704} is an apocalyptic number.

6815308840704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6815308840704 is an abundant number, since it is smaller than the sum of its proper divisors (17989699271936).

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

6815308840704 is a wasteful number, since it uses less digits than its factorization.

6815308840704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835332 (or 10835312 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 6815308840704 in words is "six trillion, eight hundred fifteen billion, three hundred eight million, eight hundred forty thousand, seven hundred four".