2052621736 has 48 divisors (see below), whose sum is σ = 4310277300. Its totient is φ = 915383040.

The previous prime is 2052621713. The next prime is 2052621749. The reversal of 2052621736 is 6371262502.

It can be written as a sum of positive squares in 2 ways, for example, as 1594404900 + 458216836 = 39930^2 + 21406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31300 + ... + 71308.

Almost surely, 2^2052621736 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 2052621736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2155138650).

2052621736 is an abundant number, since it is smaller than the sum of its proper divisors (2257655564).

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

2052621736 is a wasteful number, since it uses less digits than its factorization.

2052621736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40090 (or 40075 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2052621736 is about 45305.8686706259. The cubic root of 2052621736 is about 1270.8754036427.

The spelling of 2052621736 in words is "two billion, fifty-two million, six hundred twenty-one thousand, seven hundred thirty-six".