4944919980 has 384 divisors, whose sum is σ = 18719963136. Its totient is φ = 941875200.

The previous prime is 4944919979. The next prime is 4944920009. The reversal of 4944919980 is 899194494.

It is a self number, because there is not a number n which added to its sum of digits gives 4944919980.

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, 16876714 + ... + 16877006.

It is an arithmetic number, because the mean of its divisors is an integer number (48749904).

Almost surely, 2^4944919980 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 4944919980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9359981568).

4944919980 is an abundant number, since it is smaller than the sum of its proper divisors (13775043156).

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

4944919980 is a wasteful number, since it uses less digits than its factorization.

4944919980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 4944919980 is about 70320.1249998889. The cubic root of 4944919980 is about 1703.6737139482.

The spelling of 4944919980 in words is "four billion, nine hundred forty-four million, nine hundred nineteen thousand, nine hundred eighty".