2646485604 has 144 divisors (see below), whose sum is σ = 8099553280. Its totient is φ = 711737280.

The previous prime is 2646485603. The next prime is 2646485609. The reversal of 2646485604 is 4065846462.

2646485604 is a `hidden beast` number, since 2 + 6 + 46 + 48 + 560 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2646485604.

It is not an unprimeable number, because it can be changed into a prime (2646485603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 778749 + ... + 782139.

Almost surely, 2^2646485604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646485604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4049776640).

2646485604 is an abundant number, since it is smaller than the sum of its proper divisors (5453067676).

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

2646485604 is a wasteful number, since it uses less digits than its factorization.

2646485604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3585 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The square root of 2646485604 is about 51444.0045486352. The cubic root of 2646485604 is about 1383.2154949251.

The spelling of 2646485604 in words is "two billion, six hundred forty-six million, four hundred eighty-five thousand, six hundred four".