1340038780263 has 24 divisors (see below), whose sum is σ = 1972683949392. Its totient is φ = 876258284928.

The previous prime is 1340038780253. The next prime is 1340038780273. The reversal of 1340038780263 is 3620878300431.

1340038780263 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 0 + 387 + 8 + 0 + 263 = 666.

It is an interprime number because it is at equal distance from previous prime (1340038780253) and next prime (1340038780273).

It is not a de Polignac number, because 1340038780263 - 2¹⁴ = 1340038763879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340038780253) 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, 1322920 + ... + 2104802.

It is an arithmetic number, because the mean of its divisors is an integer number (82195164558).

Almost surely, 2^{1340038780263} is an apocalyptic number.

1340038780263 is a deficient number, since it is larger than the sum of its proper divisors (632645169129).

1340038780263 is a wasteful number, since it uses less digits than its factorization.

1340038780263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785535 (or 785532 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 1340038780263 in words is "one trillion, three hundred forty billion, thirty-eight million, seven hundred eighty thousand, two hundred sixty-three".