1840584132 has 18 divisors (see below), whose sum is σ = 4652587758. Its totient is φ = 613528032.

The previous prime is 1840584127. The next prime is 1840584167. The reversal of 1840584132 is 2314850481.

1840584132 is a `hidden beast` number, since 1 + 8 + 40 + 584 + 1 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1837322496 + 3261636 = 42864^2 + 1806^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 51127337 = 1840584132 / (1 + 8 + 4 + 0 + 5 + 8 + 4 + 1 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25563633 + ... + 25563704.

Almost surely, 2^1840584132 is an apocalyptic number.

1840584132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1840584132 is an abundant number, since it is smaller than the sum of its proper divisors (2812003626).

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

1840584132 is a wasteful number, since it uses less digits than its factorization.

1840584132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51127347 (or 51127342 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1840584132 is about 42902.0294624858. The cubic root of 1840584132 is about 1225.5147928243.

The spelling of 1840584132 in words is "one billion, eight hundred forty million, five hundred eighty-four thousand, one hundred thirty-two".