2544734140 has 48 divisors (see below), whose sum is σ = 5763961728. Its totient is φ = 938133504.

The previous prime is 2544734119. The next prime is 2544734149. The reversal of 2544734140 is 414374452.

It is a junction number, because it is equal to n+sod(n) for n = 2544734096 and 2544734105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544734149) 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, 167709 + ... + 182251.

It is an arithmetic number, because the mean of its divisors is an integer number (120082536).

Almost surely, 2^2544734140 is an apocalyptic number.

2544734140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544734140 is an abundant number, since it is smaller than the sum of its proper divisors (3219227588).

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

2544734140 is a wasteful number, since it uses less digits than its factorization.

2544734140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15238 (or 15236 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 2544734140 is about 50445.3579628493. The cubic root of 2544734140 is about 1365.2561412456.

The spelling of 2544734140 in words is "two billion, five hundred forty-four million, seven hundred thirty-four thousand, one hundred forty".