4519748820 has 48 divisors (see below), whose sum is σ = 12658464000. Its totient is φ = 1204964736.

The previous prime is 4519748789. The next prime is 4519748833. The reversal of 4519748820 is 288479154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4519748820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338389 + ... + 351491.

It is an arithmetic number, because the mean of its divisors is an integer number (263718000).

Almost surely, 2^4519748820 is an apocalyptic number.

It is an amenable number.

4519748820 is an abundant number, since it is smaller than the sum of its proper divisors (8138715180).

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

4519748820 is a wasteful number, since it uses less digits than its factorization.

4519748820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18864 (or 18862 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 4519748820 is about 67229.0771913463. The cubic root of 4519748820 is about 1653.3752542953.

The spelling of 4519748820 in words is "four billion, five hundred nineteen million, seven hundred forty-eight thousand, eight hundred twenty".