1260316537344 has 240 divisors, whose sum is σ = 3778720833888. Its totient is φ = 419365527552.

The previous prime is 1260316537343. The next prime is 1260316537357. The reversal of 1260316537344 is 4437356130621.

1260316537344 is a `hidden beast` number, since 1 + 2 + 60 + 3 + 16 + 537 + 3 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1260316537344.

It is not an unprimeable number, because it can be changed into a prime (1260316537343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73023564 + ... + 73040820.

Almost surely, 2^{1260316537344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260316537344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889360416944).

1260316537344 is an abundant number, since it is smaller than the sum of its proper divisors (2518404296544).

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

1260316537344 is an frugal number, since it uses more digits than its factorization.

1260316537344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17877 (or 17849 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 1260316537344 in words is "one trillion, two hundred sixty billion, three hundred sixteen million, five hundred thirty-seven thousand, three hundred forty-four".