1830142388 has 24 divisors (see below), whose sum is σ = 3234940800. Its totient is φ = 905911488.

The previous prime is 1830142367. The next prime is 1830142423. The reversal of 1830142388 is 8832410381.

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, 199568 + ... + 208536.

It is an arithmetic number, because the mean of its divisors is an integer number (134789200).

Almost surely, 2^1830142388 is an apocalyptic number.

It is an amenable number.

1830142388 is a deficient number, since it is larger than the sum of its proper divisors (1404798412).

1830142388 is a wasteful number, since it uses less digits than its factorization.

1830142388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479 (or 9477 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1830142388 is about 42780.1634872986. The cubic root of 1830142388 is about 1223.1929236366.

The spelling of 1830142388 in words is "one billion, eight hundred thirty million, one hundred forty-two thousand, three hundred eighty-eight".