2445657228 has 288 divisors, whose sum is σ = 7618665600. Its totient is φ = 660441600.

The previous prime is 2445657199. The next prime is 2445657241. The reversal of 2445657228 is 8227565442.

2445657228 is a `hidden beast` number, since 2 + 4 + 4 + 56 + 572 + 28 = 666.

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 95 ways as a sum of consecutive naturals, for example, 24214378 + ... + 24214478.

It is an arithmetic number, because the mean of its divisors is an integer number (26453700).

Almost surely, 2^2445657228 is an apocalyptic number.

2445657228 is a gapful number since it is divisible by the number (28) 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 2445657228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3809332800).

2445657228 is an abundant number, since it is smaller than the sum of its proper divisors (5173008372).

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

2445657228 is a wasteful number, since it uses less digits than its factorization.

2445657228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 203 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 2445657228 is about 49453.5866040068. The cubic root of 2445657228 is about 1347.3027495611.

The spelling of 2445657228 in words is "two billion, four hundred forty-five million, six hundred fifty-seven thousand, two hundred twenty-eight".