1840132830 has 32 divisors (see below), whose sum is σ = 4417952544. Its totient is φ = 490520576.

The previous prime is 1840132829. The next prime is 1840132907. The reversal of 1840132830 is 382310481.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 84334 + ... + 103886.

It is an arithmetic number, because the mean of its divisors is an integer number (138061017).

Almost surely, 2^1840132830 is an apocalyptic number.

1840132830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1840132830 is an abundant number, since it is smaller than the sum of its proper divisors (2577819714).

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

1840132830 is a wasteful number, since it uses less digits than its factorization.

1840132830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22700.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1840132830 is about 42896.7694587833. The cubic root of 1840132830 is about 1225.4146212759.

The spelling of 1840132830 in words is "one billion, eight hundred forty million, one hundred thirty-two thousand, eight hundred thirty".