2659227648 has 432 divisors, whose sum is σ = 9189081720. Its totient is φ = 681246720.

The previous prime is 2659227643. The next prime is 2659227679. The reversal of 2659227648 is 8467229562.

It is a happy number.

It is a super-2 number, since 2×2659227648² = 14142983367775223808, which contains 22 as substring.

Its product of digits (2903040) is a multiple of the sum of its prime divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 2659227648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659227643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36427740 + ... + 36427812.

Almost surely, 2^2659227648 is an apocalyptic number.

2659227648 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 2659227648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4594540860).

2659227648 is an abundant number, since it is smaller than the sum of its proper divisors (6529854072).

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

2659227648 is a wasteful number, since it uses less digits than its factorization.

2659227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 96 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 2659227648 is about 51567.6996578284. The cubic root of 2659227648 is about 1385.4318659139.

The spelling of 2659227648 in words is "two billion, six hundred fifty-nine million, two hundred twenty-seven thousand, six hundred forty-eight".