1344374747378 has 24 divisors (see below), whose sum is σ = 2183745496500. Its totient is φ = 620443459584.

The previous prime is 1344374747341. The next prime is 1344374747453. The reversal of 1344374747378 is 8737474734431.

It can be written as a sum of positive squares in 6 ways, for example, as 301294503409 + 1043080243969 = 548903^2 + 1021313^2 .

It is a super-2 number, since 2×1344374747378² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344374747378.

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, 5990378 + ... + 6210746.

Almost surely, 2^{1344374747378} is an apocalyptic number.

1344374747378 is a deficient number, since it is larger than the sum of its proper divisors (839370749122).

1344374747378 is a wasteful number, since it uses less digits than its factorization.

1344374747378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238446 (or 238433 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 62.

The spelling of 1344374747378 in words is "one trillion, three hundred forty-four billion, three hundred seventy-four million, seven hundred forty-seven thousand, three hundred seventy-eight".