2544741980 has 48 divisors (see below), whose sum is σ = 5928612480. Its totient is φ = 909672000.

The previous prime is 2544741971. The next prime is 2544742001. The reversal of 2544741980 is 891474452.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 85046 + ... + 111005.

It is an arithmetic number, because the mean of its divisors is an integer number (123512760).

Almost surely, 2^2544741980 is an apocalyptic number.

2544741980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544741980 is an abundant number, since it is smaller than the sum of its proper divisors (3383870500).

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

2544741980 is a wasteful number, since it uses less digits than its factorization.

2544741980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196130 (or 196128 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2544741980 is about 50445.4356706333. The cubic root of 2544741980 is about 1365.2575433039.

The spelling of 2544741980 in words is "two billion, five hundred forty-four million, seven hundred forty-one thousand, nine hundred eighty".