1780363642368 has 40 divisors (see below), whose sum is σ = 4743000020088. Its totient is φ = 593454546944.

The previous prime is 1780363642349. The next prime is 1780363642403. The reversal of 1780363642368 is 8632463630871.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579543921 + ... + 579546992.

Almost surely, 2^{1780363642368} is an apocalyptic number.

It is an amenable number.

1780363642368 is an abundant number, since it is smaller than the sum of its proper divisors (2962636377720).

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

1780363642368 is an equidigital number, since it uses as much as digits as its factorization.

1780363642368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159090934 (or 1159090918 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 1780363642368 in words is "one trillion, seven hundred eighty billion, three hundred sixty-three million, six hundred forty-two thousand, three hundred sixty-eight".