1988525100 has 36 divisors (see below), whose sum is σ = 5753466824. Its totient is φ = 530273280.

The previous prime is 1988525089. The next prime is 1988525137. The reversal of 1988525100 is 15258891.

1988525100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3313909 + ... + 3314508.

Almost surely, 2^1988525100 is an apocalyptic number.

1988525100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1988525100 is an abundant number, since it is smaller than the sum of its proper divisors (3764941724).

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

1988525100 is a wasteful number, since it uses less digits than its factorization.

1988525100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628434 (or 6628427 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 1988525100 is about 44592.8817189470. The cubic root of 1988525100 is about 1257.5068488627.

The spelling of 1988525100 in words is "one billion, nine hundred eighty-eight million, five hundred twenty-five thousand, one hundred".