2645233052 has 72 divisors (see below), whose sum is σ = 5887229040. Its totient is φ = 1028375040.

The previous prime is 2645233051. The next prime is 2645233079. The reversal of 2645233052 is 2503325462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645233051) 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 23 ways as a sum of consecutive naturals, for example, 1277474 + ... + 1279542.

It is an arithmetic number, because the mean of its divisors is an integer number (81767070).

Almost surely, 2^2645233052 is an apocalyptic number.

2645233052 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 2645233052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943614520).

2645233052 is an abundant number, since it is smaller than the sum of its proper divisors (3241995988).

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

2645233052 is a wasteful number, since it uses less digits than its factorization.

2645233052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2645233052 is about 51431.8291722159. The cubic root of 2645233052 is about 1382.9972403544.

The spelling of 2645233052 in words is "two billion, six hundred forty-five million, two hundred thirty-three thousand, fifty-two".