2019448872 has 192 divisors, whose sum is σ = 6676300800. Its totient is φ = 538997760.

The previous prime is 2019448867. The next prime is 2019448883. The reversal of 2019448872 is 2788449102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 450868 + ... + 455324.

It is an arithmetic number, because the mean of its divisors is an integer number (34772400).

Almost surely, 2^2019448872 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 2019448872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3338150400).

2019448872 is an abundant number, since it is smaller than the sum of its proper divisors (4656851928).

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

2019448872 is a wasteful number, since it uses less digits than its factorization.

2019448872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2019448872 is about 44938.2784716994. The cubic root of 2019448872 is about 1263.9918899362.

The spelling of 2019448872 in words is "two billion, nineteen million, four hundred forty-eight thousand, eight hundred seventy-two".