2052491860 has 24 divisors (see below), whose sum is σ = 4319602056. Its totient is φ = 819212160.

The previous prime is 2052491851. The next prime is 2052491863. The reversal of 2052491860 is 681942502.

It can be written as a sum of positive squares in 4 ways, for example, as 10536516 + 2041955344 = 3246^2 + 45188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052491863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102087 + ... + 120526.

It is an arithmetic number, because the mean of its divisors is an integer number (179983419).

Almost surely, 2^2052491860 is an apocalyptic number.

2052491860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052491860 is an abundant number, since it is smaller than the sum of its proper divisors (2267110196).

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

2052491860 is a wasteful number, since it uses less digits than its factorization.

2052491860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223083 (or 223081 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2052491860 is about 45304.4353237075. The cubic root of 2052491860 is about 1270.8485989483.

It can be divided in two parts, 2052491 and 860, that added together give a triangular number (2053351 = T₂₀₂₆).

The spelling of 2052491860 in words is "two billion, fifty-two million, four hundred ninety-one thousand, eight hundred sixty".