2543348140 has 48 divisors (see below), whose sum is σ = 5607756000. Its totient is φ = 967583232.

The previous prime is 2543348131. The next prime is 2543348201. The reversal of 2543348140 is 418433452.

2543348140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2543348140² = 12937239522482919200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2543348096 and 2543348105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6136 + ... + 71584.

It is an arithmetic number, because the mean of its divisors is an integer number (116828250).

Almost surely, 2^2543348140 is an apocalyptic number.

2543348140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543348140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803878000).

2543348140 is an abundant number, since it is smaller than the sum of its proper divisors (3064407860).

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

2543348140 is a wasteful number, since it uses less digits than its factorization.

2543348140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65554 (or 65552 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 2543348140 is about 50431.6184550922. The cubic root of 2543348140 is about 1365.0082320927.

The spelling of 2543348140 in words is "two billion, five hundred forty-three million, three hundred forty-eight thousand, one hundred forty".