1838132412 has 24 divisors (see below), whose sum is σ = 4541268816. Its totient is φ = 576668928.

The previous prime is 1838132407. The next prime is 1838132453. The reversal of 1838132412 is 2142318381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505023 + ... + 4505430.

It is an arithmetic number, because the mean of its divisors is an integer number (189219534).

Almost surely, 2^1838132412 is an apocalyptic number.

1838132412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1838132412 is an abundant number, since it is smaller than the sum of its proper divisors (2703136404).

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

1838132412 is a wasteful number, since it uses less digits than its factorization.

1838132412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010477 (or 9010475 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 1838132412 is about 42873.4464674815. The cubic root of 1838132412 is about 1224.9704087257.

The spelling of 1838132412 in words is "one billion, eight hundred thirty-eight million, one hundred thirty-two thousand, four hundred twelve".