1918298795320 has 32 divisors (see below), whose sum is σ = 4334696655120. Its totient is φ = 764026297600.

The previous prime is 1918298795311. The next prime is 1918298795321. The reversal of 1918298795320 is 235978928191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1918298795321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102903706 + ... + 102922345.

Almost surely, 2^{1918298795320} is an apocalyptic number.

1918298795320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1918298795320 is an abundant number, since it is smaller than the sum of its proper divisors (2416397859800).

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

1918298795320 is a wasteful number, since it uses less digits than its factorization.

1918298795320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205826295 (or 205826291 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 1918298795320 in words is "one trillion, nine hundred eighteen billion, two hundred ninety-eight million, seven hundred ninety-five thousand, three hundred twenty".