1836489552 has 40 divisors (see below), whose sum is σ = 4787803680. Its totient is φ = 606545280.

The previous prime is 1836489509. The next prime is 1836489553. The reversal of 1836489552 is 2559846381.

It is a junction number, because it is equal to n+sod(n) for n = 1836489495 and 1836489504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836489553) 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 7 ways as a sum of consecutive naturals, for example, 170274 + ... + 180737.

It is an arithmetic number, because the mean of its divisors is an integer number (119695092).

Almost surely, 2^1836489552 is an apocalyptic number.

1836489552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1836489552 is an abundant number, since it is smaller than the sum of its proper divisors (2951314128).

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

1836489552 is a wasteful number, since it uses less digits than its factorization.

1836489552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351131 (or 351125 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 1836489552 is about 42854.2827731372. The cubic root of 1836489552 is about 1224.6053543686.

The spelling of 1836489552 in words is "one billion, eight hundred thirty-six million, four hundred eighty-nine thousand, five hundred fifty-two".