2500404544 has 56 divisors (see below), whose sum is σ = 5418661248. Its totient is φ = 1135319040.

The previous prime is 2500404527. The next prime is 2500404551. The reversal of 2500404544 is 4454040052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092169 + ... + 1094455.

It is an arithmetic number, because the mean of its divisors is an integer number (96761808).

Almost surely, 2^2500404544 is an apocalyptic number.

It is an amenable number.

2500404544 is an abundant number, since it is smaller than the sum of its proper divisors (2918256704).

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

2500404544 is a wasteful number, since it uses less digits than its factorization.

2500404544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2500404544 is about 50004.0452763574. The cubic root of 2500404544 is about 1357.2820111064.

Adding to 2500404544 its reverse (4454040052), we get a palindrome (6954444596).

It can be divided in two parts, 2500 and 404544, that added together give a square (407044 = 638²).

The spelling of 2500404544 in words is "two billion, five hundred million, four hundred four thousand, five hundred forty-four".