2119448520 has 192 divisors, whose sum is σ = 7990369920. Its totient is φ = 477176832.

The previous prime is 2119448491. The next prime is 2119448521. The reversal of 2119448520 is 258449112.

2119448520 is a `hidden beast` number, since 2 + 1 + 1 + 94 + 48 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2119448521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162564 + ... + 175116.

It is an arithmetic number, because the mean of its divisors is an integer number (41616510).

Almost surely, 2^2119448520 is an apocalyptic number.

2119448520 is a gapful number since it is divisible by the number (20) 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 2119448520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3995184960).

2119448520 is an abundant number, since it is smaller than the sum of its proper divisors (5870921400).

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

2119448520 is a wasteful number, since it uses less digits than its factorization.

2119448520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644 (or 12637 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2119448520 is about 46037.4686532611. The cubic root of 2119448520 is about 1284.5202567525.

The spelling of 2119448520 in words is "two billion, one hundred nineteen million, four hundred forty-eight thousand, five hundred twenty".