2541611644 has 48 divisors (see below), whose sum is σ = 5232729600. Its totient is φ = 1064917440.

The previous prime is 2541611599. The next prime is 2541611647. The reversal of 2541611644 is 4461161452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541611647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468057 + ... + 473455.

It is an arithmetic number, because the mean of its divisors is an integer number (109015200).

Almost surely, 2^2541611644 is an apocalyptic number.

It is an amenable number.

2541611644 is an abundant number, since it is smaller than the sum of its proper divisors (2691117956).

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

2541611644 is a wasteful number, since it uses less digits than its factorization.

2541611644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250 (or 6248 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2541611644 is about 50414.3991732521. The cubic root of 2541611644 is about 1364.6975037581.

The spelling of 2541611644 in words is "two billion, five hundred forty-one million, six hundred eleven thousand, six hundred forty-four".