2544520000 has 140 divisors (see below), whose sum is σ = 6884371296. Its totient is φ = 925120000.

The previous prime is 2544519977. The next prime is 2544520019. The reversal of 2544520000 is 254452.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 437109 + ... + 442891.

Almost surely, 2^2544520000 is an apocalyptic number.

2544520000 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 2544520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3442185648).

2544520000 is an abundant number, since it is smaller than the sum of its proper divisors (4339851296).

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

2544520000 is an equidigital number, since it uses as much as digits as its factorization.

2544520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2544520000 is about 50443.2354235927. The cubic root of 2544520000 is about 1365.2178446253.

Adding to 2544520000 its reverse (254452), we get a palindrome (2544774452).

Multiplying 2544520000 by its reverse (254452), we get a square (647458203040000 = 25445200²).

2544520000 divided by its reverse (254452) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 254 and 4520000, that added together give a palindrome (4520254).

The spelling of 2544520000 in words is "two billion, five hundred forty-four million, five hundred twenty thousand".