4986979920 has 640 divisors, whose sum is σ = 20278702080. Its totient is φ = 1114767360.

The previous prime is 4986979901. The next prime is 4986979961. The reversal of 4986979920 is 299796894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14797992 + ... + 14798328.

It is an arithmetic number, because the mean of its divisors is an integer number (31685472).

Almost surely, 2^4986979920 is an apocalyptic number.

4986979920 is a gapful number since it is divisible by the number (40) 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 4986979920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10139351040).

4986979920 is an abundant number, since it is smaller than the sum of its proper divisors (15291722160).

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

4986979920 is a wasteful number, since it uses less digits than its factorization.

4986979920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The square root of 4986979920 is about 70618.5522366467. The cubic root of 4986979920 is about 1708.4903882153.

It can be divided in two parts, 4986 and 979920, that added together give a triangular number (984906 = T₁₄₀₃).

The spelling of 4986979920 in words is "four billion, nine hundred eighty-six million, nine hundred seventy-nine thousand, nine hundred twenty".