2545514420 has 48 divisors (see below), whose sum is σ = 5588472960. Its totient is φ = 972107136.

The previous prime is 2545514401. The next prime is 2545514437. The reversal of 2545514420 is 244155452.

It is a congruent number.

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, 254066 + ... + 263894.

It is an arithmetic number, because the mean of its divisors is an integer number (116426520).

Almost surely, 2^2545514420 is an apocalyptic number.

2545514420 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 2545514420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794236480).

2545514420 is an abundant number, since it is smaller than the sum of its proper divisors (3042958540).

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

2545514420 is a wasteful number, since it uses less digits than its factorization.

2545514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424 (or 10422 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2545514420 is about 50453.0912828937. The cubic root of 2545514420 is about 1365.3956677005.

Adding to 2545514420 its reverse (244155452), we get a palindrome (2789669872).

The spelling of 2545514420 in words is "two billion, five hundred forty-five million, five hundred fourteen thousand, four hundred twenty".