2646908032 has 64 divisors (see below), whose sum is σ = 5381193600. Its totient is φ = 1296497664.

The previous prime is 2646908029. The next prime is 2646908081. The reversal of 2646908032 is 2308096462.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2646908032² = 14012244259732226048, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3496198 + ... + 3496954.

It is an arithmetic number, because the mean of its divisors is an integer number (84081150).

Almost surely, 2^2646908032 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 2646908032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690596800).

2646908032 is an abundant number, since it is smaller than the sum of its proper divisors (2734285568).

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

2646908032 is an equidigital number, since it uses as much as digits as its factorization.

2646908032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 2646908032 is about 51448.1100916253. The cubic root of 2646908032 is about 1383.2890865930.

The spelling of 2646908032 in words is "two billion, six hundred forty-six million, nine hundred eight thousand, thirty-two".