3990052500 has 120 divisors (see below), whose sum is σ = 13296093888. Its totient is φ = 912000000.

The previous prime is 3990052499. The next prime is 3990052523. The reversal of 3990052500 is 52500993.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 14500 + ... + 90500.

Almost surely, 2^3990052500 is an apocalyptic number.

3990052500 is a gapful number since it is divisible by the number (30) 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 3990052500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6648046944).

3990052500 is an abundant number, since it is smaller than the sum of its proper divisors (9306041388).

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

3990052500 is a wasteful number, since it uses less digits than its factorization.

3990052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76035 (or 76018 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 3990052500 is about 63166.8623567769. The cubic root of 3990052500 is about 1586.0840703108.

The spelling of 3990052500 in words is "three billion, nine hundred ninety million, fifty-two thousand, five hundred".