1340209430288 has 40 divisors (see below), whose sum is σ = 2598734633880. Its totient is φ = 669568481280.

The previous prime is 1340209430279. The next prime is 1340209430309. The reversal of 1340209430288 is 8820349020431.

It can be written as a sum of positive squares in 4 ways, for example, as 1073528076544 + 266681353744 = 1036112^2 + 516412^2 .

It is a super-2 number, since 2×1340209430288² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148429358 + ... + 148438386.

It is an arithmetic number, because the mean of its divisors is an integer number (64968365847).

Almost surely, 2^{1340209430288} is an apocalyptic number.

It is an amenable number.

1340209430288 is a deficient number, since it is larger than the sum of its proper divisors (1258525203592).

1340209430288 is a wasteful number, since it uses less digits than its factorization.

1340209430288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15435 (or 15429 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 1340209430288 in words is "one trillion, three hundred forty billion, two hundred nine million, four hundred thirty thousand, two hundred eighty-eight".