1340761581200 has 60 divisors (see below), whose sum is σ = 3222459861348. Its totient is φ = 536091494400.

The previous prime is 1340761581157. The next prime is 1340761581277. The reversal of 1340761581200 is 21851670431.

It can be written as a sum of positive squares in 6 ways, for example, as 681034261504 + 659727319696 = 825248^2 + 812236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343604 + ... + 1673196.

Almost surely, 2^{1340761581200} is an apocalyptic number.

1340761581200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340761581200 is an abundant number, since it is smaller than the sum of its proper divisors (1881698280148).

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

1340761581200 is a wasteful number, since it uses less digits than its factorization.

1340761581200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332132 (or 1332121 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 1340761581200 in words is "one trillion, three hundred forty billion, seven hundred sixty-one million, five hundred eighty-one thousand, two hundred".