1347405727680 has 112 divisors (see below), whose sum is σ = 4753348014240. Its totient is φ = 359308191744.

The previous prime is 1347405727643. The next prime is 1347405727697. The reversal of 1347405727680 is 867275047431.

1347405727680 is a `hidden beast` number, since 1 + 3 + 4 + 7 + 4 + 0 + 572 + 7 + 68 + 0 = 666.

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 15 ways as a sum of consecutive naturals, for example, 77966229 + ... + 77983508.

It is an arithmetic number, because the mean of its divisors is an integer number (42440607270).

Almost surely, 2^{1347405727680} is an apocalyptic number.

1347405727680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1347405727680 is an abundant number, since it is smaller than the sum of its proper divisors (3405942286560).

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

1347405727680 is a wasteful number, since it uses less digits than its factorization.

1347405727680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155949763 (or 155949747 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 1347405727680 in words is "one trillion, three hundred forty-seven billion, four hundred five million, seven hundred twenty-seven thousand, six hundred eighty".