2448121920 has 112 divisors (see below), whose sum is σ = 7785201600. Its totient is φ = 651790336.

The previous prime is 2448121901. The next prime is 2448121933. The reversal of 2448121920 is 291218442.

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, 740431 + ... + 743729.

Almost surely, 2^2448121920 is an apocalyptic number.

2448121920 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 2448121920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3892600800).

2448121920 is an abundant number, since it is smaller than the sum of its proper divisors (5337079680).

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

2448121920 is a wasteful number, since it uses less digits than its factorization.

2448121920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2448121920 is about 49478.4995730469. The cubic root of 2448121920 is about 1347.7551939162.

The spelling of 2448121920 in words is "two billion, four hundred forty-eight million, one hundred twenty-one thousand, nine hundred twenty".