2455565320 has 192 divisors, whose sum is σ = 6390558720. Its totient is φ = 843913728.

The previous prime is 2455565303. The next prime is 2455565369. The reversal of 2455565320 is 235655542.

It is a self number, because there is not a number n which added to its sum of digits gives 2455565320.

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 47 ways as a sum of consecutive naturals, for example, 19335097 + ... + 19335223.

It is an arithmetic number, because the mean of its divisors is an integer number (33284160).

Almost surely, 2^2455565320 is an apocalyptic number.

2455565320 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 2455565320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195279360).

2455565320 is an abundant number, since it is smaller than the sum of its proper divisors (3934993400).

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

2455565320 is a wasteful number, since it uses less digits than its factorization.

2455565320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 2455565320 is about 49553.6610151056. The cubic root of 2455565320 is about 1349.1197407433.

The spelling of 2455565320 in words is "two billion, four hundred fifty-five million, five hundred sixty-five thousand, three hundred twenty".