1988048712 has 128 divisors (see below), whose sum is σ = 5466101760. Its totient is φ = 598855680.

The previous prime is 1988048707. The next prime is 1988048737. The reversal of 1988048712 is 2178408891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4349988 + ... + 4350444.

It is an arithmetic number, because the mean of its divisors is an integer number (42703920).

Almost surely, 2^1988048712 is an apocalyptic number.

1988048712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1988048712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2733050880).

1988048712 is an abundant number, since it is smaller than the sum of its proper divisors (3478053048).

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

1988048712 is a wasteful number, since it uses less digits than its factorization.

1988048712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 1988048712 is about 44587.5398738257. The cubic root of 1988048712 is about 1257.4064211608.

The spelling of 1988048712 in words is "one billion, nine hundred eighty-eight million, forty-eight thousand, seven hundred twelve".