2545432120 has 128 divisors (see below), whose sum is σ = 7159311360. Its totient is φ = 791285760.

The previous prime is 2545432093. The next prime is 2545432121. The reversal of 2545432120 is 212345452.

2545432120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545432121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499112 + ... + 1500808.

It is an arithmetic number, because the mean of its divisors is an integer number (55932120).

Almost surely, 2^2545432120 is an apocalyptic number.

2545432120 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 2545432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3579655680).

2545432120 is an abundant number, since it is smaller than the sum of its proper divisors (4613879240).

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

2545432120 is a wasteful number, since it uses less digits than its factorization.

2545432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2545432120 is about 50452.2756672085. The cubic root of 2545432120 is about 1365.3809524988.

Adding to 2545432120 its reverse (212345452), we get a palindrome (2757777572).

The spelling of 2545432120 in words is "two billion, five hundred forty-five million, four hundred thirty-two thousand, one hundred twenty".