2545244120 has 64 divisors (see below), whose sum is σ = 5821200000. Its totient is φ = 1001415168.

The previous prime is 2545244027. The next prime is 2545244153. The reversal of 2545244120 is 214425452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924506 + ... + 927254.

It is an arithmetic number, because the mean of its divisors is an integer number (90956250).

Almost surely, 2^2545244120 is an apocalyptic number.

2545244120 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 2545244120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2910600000).

2545244120 is an abundant number, since it is smaller than the sum of its proper divisors (3275955880).

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

2545244120 is a wasteful number, since it uses less digits than its factorization.

2545244120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2545244120 is about 50450.4124859252. The cubic root of 2545244120 is about 1365.3473369963.

Adding to 2545244120 its reverse (214425452), we get a palindrome (2759669572).

The spelling of 2545244120 in words is "two billion, five hundred forty-five million, two hundred forty-four thousand, one hundred twenty".