2656453420 has 12 divisors (see below), whose sum is σ = 5578552224. Its totient is φ = 1062581360.

The previous prime is 2656453417. The next prime is 2656453421. The reversal of 2656453420 is 243546562.

It is a self number, because there is not a number n which added to its sum of digits gives 2656453420.

It is not an unprimeable number, because it can be changed into a prime (2656453421) 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, 66411316 + ... + 66411355.

It is an arithmetic number, because the mean of its divisors is an integer number (464879352).

Almost surely, 2^2656453420 is an apocalyptic number.

2656453420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656453420 is an abundant number, since it is smaller than the sum of its proper divisors (2922098804).

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

2656453420 is a wasteful number, since it uses less digits than its factorization.

2656453420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132822680 (or 132822678 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2656453420 is about 51540.7937463132. The cubic root of 2656453420 is about 1384.9499162990.

Adding to 2656453420 its reverse (243546562), we get a palindrome (2899999982).

The spelling of 2656453420 in words is "two billion, six hundred fifty-six million, four hundred fifty-three thousand, four hundred twenty".