1001988050 has 48 divisors (see below), whose sum is σ = 2132488512. Its totient is φ = 343128000.

The previous prime is 1001988037. The next prime is 1001988061. The reversal of 1001988050 is 508891001.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001987998 and 1001988016.

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 23 ways as a sum of consecutive naturals, for example, 506864 + ... + 508836.

It is an arithmetic number, because the mean of its divisors is an integer number (44426844).

Almost surely, 2^1001988050 is an apocalyptic number.

1001988050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001988050 is an abundant number, since it is smaller than the sum of its proper divisors (1130500462).

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

1001988050 is a wasteful number, since it uses less digits than its factorization.

1001988050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1001988050 is about 31654.1948246990. The cubic root of 1001988050 is about 1000.6622446685.

The spelling of 1001988050 in words is "one billion, one million, nine hundred eighty-eight thousand, fifty".