3400378136768 has 14 divisors (see below), whose sum is σ = 6747625365276. Its totient is φ = 1700189068352.

The previous prime is 3400378136767. The next prime is 3400378136833. The reversal of 3400378136768 is 8676318730043.

It is not an unprimeable number, because it can be changed into a prime (3400378136767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26565454130 + ... + 26565454257.

Almost surely, 2^{3400378136768} is an apocalyptic number.

It is an amenable number.

3400378136768 is a deficient number, since it is larger than the sum of its proper divisors (3347247228508).

3400378136768 is an equidigital number, since it uses as much as digits as its factorization.

3400378136768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53130908399 (or 53130908389 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 3400378136768 in words is "three trillion, four hundred billion, three hundred seventy-eight million, one hundred thirty-six thousand, seven hundred sixty-eight".