2454661220 has 96 divisors (see below), whose sum is σ = 5825433600. Its totient is φ = 860745600.

The previous prime is 2454661217. The next prime is 2454661247. The reversal of 2454661220 is 221664542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2857151 + ... + 2858009.

It is an arithmetic number, because the mean of its divisors is an integer number (60681600).

Almost surely, 2^2454661220 is an apocalyptic number.

2454661220 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 2454661220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2912716800).

2454661220 is an abundant number, since it is smaller than the sum of its proper divisors (3370772380).

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

2454661220 is a wasteful number, since it uses less digits than its factorization.

2454661220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2454661220 is about 49544.5377413091. The cubic root of 2454661220 is about 1348.9541456256.

The spelling of 2454661220 in words is "two billion, four hundred fifty-four million, six hundred sixty-one thousand, two hundred twenty".