2445025920 has 128 divisors (see below), whose sum is σ = 7853820480. Its totient is φ = 646963200.

The previous prime is 2445025871. The next prime is 2445025927. The reversal of 2445025920 is 295205442.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2445025927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246660 + ... + 256380.

Almost surely, 2^2445025920 is an apocalyptic number.

2445025920 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 2445025920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3926910240).

2445025920 is an abundant number, since it is smaller than the sum of its proper divisors (5408794560).

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

2445025920 is a wasteful number, since it uses less digits than its factorization.

2445025920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9874 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2445025920 is about 49447.2033587341. The cubic root of 2445025920 is about 1347.1868112370.

The spelling of 2445025920 in words is "two billion, four hundred forty-five million, twenty-five thousand, nine hundred twenty".