6740271359640 has 576 divisors, whose sum is σ = 27455990234400. Its totient is φ = 1421425926144.

The previous prime is 6740271359567. The next prime is 6740271359641. The reversal of 6740271359640 is 469531720476.

6740271359640 is a `hidden beast` number, since 6 + 7 + 4 + 0 + 2 + 7 + 1 + 3 + 596 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740271359641) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 563891904 + ... + 563903856.

Almost surely, 2^{6740271359640} is an apocalyptic number.

6740271359640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6740271359640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13727995117200).

6740271359640 is an abundant number, since it is smaller than the sum of its proper divisors (20715718874760).

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

6740271359640 is a wasteful number, since it uses less digits than its factorization.

6740271359640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456 (or 14442 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 6740271359640 in words is "six trillion, seven hundred forty billion, two hundred seventy-one million, three hundred fifty-nine thousand, six hundred forty".