2453121340 has 12 divisors (see below), whose sum is σ = 5151554856. Its totient is φ = 981248528.

The previous prime is 2453121323. The next prime is 2453121343. The reversal of 2453121340 is 431213542.

2453121340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453121343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61328014 + ... + 61328053.

It is an arithmetic number, because the mean of its divisors is an integer number (429296238).

Almost surely, 2^2453121340 is an apocalyptic number.

2453121340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2453121340 is an abundant number, since it is smaller than the sum of its proper divisors (2698433516).

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

2453121340 is a wasteful number, since it uses less digits than its factorization.

2453121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122656076 (or 122656074 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2453121340 is about 49528.9949423567. The cubic root of 2453121340 is about 1348.6720072986.

Adding to 2453121340 its reverse (431213542), we get a palindrome (2884334882).

The spelling of 2453121340 in words is "two billion, four hundred fifty-three million, one hundred twenty-one thousand, three hundred forty".