2451140340 has 48 divisors (see below), whose sum is σ = 7487121600. Its totient is φ = 594215680.

The previous prime is 2451140299. The next prime is 2451140357. The reversal of 2451140340 is 430411542.

2451140340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2451140340.

It is a congruent number.

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, 1856265 + ... + 1857584.

It is an arithmetic number, because the mean of its divisors is an integer number (155981700).

Almost surely, 2^2451140340 is an apocalyptic number.

2451140340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451140340 is an abundant number, since it is smaller than the sum of its proper divisors (5035981260).

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

2451140340 is a wasteful number, since it uses less digits than its factorization.

2451140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713872 (or 3713870 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2451140340 is about 49508.9925165116. The cubic root of 2451140340 is about 1348.3088728297.

Adding to 2451140340 its reverse (430411542), we get a palindrome (2881551882).

The spelling of 2451140340 in words is "two billion, four hundred fifty-one million, one hundred forty thousand, three hundred forty".