2645051332 has 72 divisors (see below), whose sum is σ = 6091001280. Its totient is φ = 976259520.

The previous prime is 2645051323. The next prime is 2645051333. The reversal of 2645051332 is 2331505462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2645051294 and 2645051303.

It is not an unprimeable number, because it can be changed into a prime (2645051333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99294 + ... + 123082.

It is an arithmetic number, because the mean of its divisors is an integer number (84597240).

Almost surely, 2^2645051332 is an apocalyptic number.

2645051332 is a gapful number since it is divisible by the number (22) 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 2645051332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045500640).

2645051332 is an abundant number, since it is smaller than the sum of its proper divisors (3445949948).

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

2645051332 is a wasteful number, since it uses less digits than its factorization.

2645051332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23849 (or 23828 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2645051332 is about 51430.0625315583. The cubic root of 2645051332 is about 1382.9655703013.

Adding to 2645051332 its reverse (2331505462), we get a palindrome (4976556794).

The spelling of 2645051332 in words is "two billion, six hundred forty-five million, fifty-one thousand, three hundred thirty-two".