2668445528 has 96 divisors (see below), whose sum is σ = 6361856640. Its totient is φ = 1041546240.

The previous prime is 2668445509. The next prime is 2668445531. The reversal of 2668445528 is 8255448662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200126 + ... + 213042.

It is an arithmetic number, because the mean of its divisors is an integer number (66269340).

Almost surely, 2^2668445528 is an apocalyptic number.

2668445528 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 2668445528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3180928320).

2668445528 is an abundant number, since it is smaller than the sum of its proper divisors (3693411112).

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

2668445528 is a wasteful number, since it uses less digits than its factorization.

2668445528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985 (or 12974 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 50.

The square root of 2668445528 is about 51656.9988288131. The cubic root of 2668445528 is about 1387.0308285533.

The spelling of 2668445528 in words is "two billion, six hundred sixty-eight million, four hundred forty-five thousand, five hundred twenty-eight".