6354728533680 has 40 divisors (see below), whose sum is σ = 19699658455152. Its totient is φ = 1694594275584.

The previous prime is 6354728533679. The next prime is 6354728533691. The reversal of 6354728533680 is 863358274536.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13239017539 + ... + 13239018018.

Almost surely, 2^{6354728533680} is an apocalyptic number.

6354728533680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6354728533680 is an abundant number, since it is smaller than the sum of its proper divisors (13344929921472).

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

6354728533680 is a wasteful number, since it uses less digits than its factorization.

6354728533680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26478035573 (or 26478035567 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 60.

The spelling of 6354728533680 in words is "six trillion, three hundred fifty-four billion, seven hundred twenty-eight million, five hundred thirty-three thousand, six hundred eighty".