2541638830 has 32 divisors (see below), whose sum is σ = 4652987328. Its totient is φ = 999398400.

The previous prime is 2541638821. The next prime is 2541638837. The reversal of 2541638830 is 388361452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541638837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245560 + ... + 255700.

It is an arithmetic number, because the mean of its divisors is an integer number (145405854).

Almost surely, 2^2541638830 is an apocalyptic number.

2541638830 is a deficient number, since it is larger than the sum of its proper divisors (2111348498).

2541638830 is a wasteful number, since it uses less digits than its factorization.

2541638830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2541638830 is about 50414.6687978806. The cubic root of 2541638830 is about 1364.7023695072.

It can be divided in two parts, 25416 and 38830, that added together give a palindrome (64246).

The spelling of 2541638830 in words is "two billion, five hundred forty-one million, six hundred thirty-eight thousand, eight hundred thirty".