1988194748360 has 16 divisors (see below), whose sum is σ = 4473438183900. Its totient is φ = 795277899328.

The previous prime is 1988194748357. The next prime is 1988194748411. The reversal of 1988194748360 is 638474918891.

It can be written as a sum of positive squares in 2 ways, for example, as 1644308677636 + 343886070724 = 1282306^2 + 586418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24852434315 + ... + 24852434394.

Almost surely, 2^{1988194748360} is an apocalyptic number.

1988194748360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1988194748360 is an abundant number, since it is smaller than the sum of its proper divisors (2485243435540).

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

1988194748360 is a wasteful number, since it uses less digits than its factorization.

1988194748360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49704868720 (or 49704868716 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 68.

The spelling of 1988194748360 in words is "one trillion, nine hundred eighty-eight billion, one hundred ninety-four million, seven hundred forty-eight thousand, three hundred sixty".