4990987900 has 72 divisors (see below), whose sum is σ = 10943299584. Its totient is φ = 1975704000.

The previous prime is 4990987889. The next prime is 4990987907. The reversal of 4990987900 is 97890994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990987907) by changing a digit.

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, 5782869 + ... + 5783731.

It is an arithmetic number, because the mean of its divisors is an integer number (151990272).

Almost surely, 2^4990987900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4990987900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5471649792).

4990987900 is an abundant number, since it is smaller than the sum of its proper divisors (5952311684).

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

4990987900 is a wasteful number, since it uses less digits than its factorization.

4990987900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 4990987900 is about 70646.9242076398. The cubic root of 4990987900 is about 1708.9479638616.

The spelling of 4990987900 in words is "four billion, nine hundred ninety million, nine hundred eighty-seven thousand, nine hundred".