2660336028 has 144 divisors (see below), whose sum is σ = 8056288800. Its totient is φ = 756967680.

The previous prime is 2660336027. The next prime is 2660336047. The reversal of 2660336028 is 8206330662.

2660336028 is a `hidden beast` number, since 26 + 603 + 3 + 6 + 0 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2660335983 and 2660336001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660336027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1486158 + ... + 1487946.

It is an arithmetic number, because the mean of its divisors is an integer number (55946450).

Almost surely, 2^2660336028 is an apocalyptic number.

2660336028 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 2660336028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4028144400).

2660336028 is an abundant number, since it is smaller than the sum of its proper divisors (5395952772).

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

2660336028 is a wasteful number, since it uses less digits than its factorization.

2660336028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2660336028 is about 51578.4453817678. The cubic root of 2660336028 is about 1385.6243242611.

The spelling of 2660336028 in words is "two billion, six hundred sixty million, three hundred thirty-six thousand, twenty-eight".