2541205240 has 32 divisors (see below), whose sum is σ = 6534528480. Its totient is φ = 871270272.

The previous prime is 2541205229. The next prime is 2541205241. The reversal of 2541205240 is 425021452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541205241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4537587 + ... + 4538146.

It is an arithmetic number, because the mean of its divisors is an integer number (204204015).

Almost surely, 2^2541205240 is an apocalyptic number.

2541205240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541205240 is an abundant number, since it is smaller than the sum of its proper divisors (3993323240).

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

2541205240 is a wasteful number, since it uses less digits than its factorization.

2541205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075751 (or 9075747 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2541205240 is about 50410.3683779438. The cubic root of 2541205240 is about 1364.6247614505.

Adding to 2541205240 its reverse (425021452), we get a palindrome (2966226692).

The spelling of 2541205240 in words is "two billion, five hundred forty-one million, two hundred five thousand, two hundred forty".