2543179240 has 64 divisors (see below), whose sum is σ = 6750581760. Its totient is φ = 843816960.

The previous prime is 2543179159. The next prime is 2543179267. The reversal of 2543179240 is 429713452.

It is a self number, because there is not a number n which added to its sum of digits gives 2543179240.

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, 137817 + ... + 155176.

It is an arithmetic number, because the mean of its divisors is an integer number (105477840).

Almost surely, 2^2543179240 is an apocalyptic number.

2543179240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543179240 is an abundant number, since it is smaller than the sum of its proper divisors (4207402520).

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

2543179240 is a wasteful number, since it uses less digits than its factorization.

2543179240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293042 (or 293038 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2543179240 is about 50429.9438825783. The cubic root of 2543179240 is about 1364.9780153624.

The spelling of 2543179240 in words is "two billion, five hundred forty-three million, one hundred seventy-nine thousand, two hundred forty".