1800382032 has 40 divisors (see below), whose sum is σ = 5167764480. Its totient is φ = 600127200.

The previous prime is 1800382027. The next prime is 1800382043. The reversal of 1800382032 is 2302830081.

It is a super-2 number, since 2×1800382032² = 6482750922296898048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1800381987 and 1800382005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083344 + ... + 2084207.

It is an arithmetic number, because the mean of its divisors is an integer number (129194112).

Almost surely, 2^1800382032 is an apocalyptic number.

1800382032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1800382032 is an abundant number, since it is smaller than the sum of its proper divisors (3367382448).

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

1800382032 is a wasteful number, since it uses less digits than its factorization.

1800382032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167568 (or 4167556 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1800382032 is about 42430.9089226238. The cubic root of 1800382032 is about 1216.5264521304.

The spelling of 1800382032 in words is "one billion, eight hundred million, three hundred eighty-two thousand, thirty-two".