1855930132 has 48 divisors (see below), whose sum is σ = 3768412032. Its totient is φ = 783342720.

The previous prime is 1855930129. The next prime is 1855930147. The reversal of 1855930132 is 2310395581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1855930091 and 1855930100.

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, 865782 + ... + 867922.

It is an arithmetic number, because the mean of its divisors is an integer number (78508584).

Almost surely, 2^1855930132 is an apocalyptic number.

It is an amenable number.

1855930132 is an abundant number, since it is smaller than the sum of its proper divisors (1912481900).

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

1855930132 is a wasteful number, since it uses less digits than its factorization.

1855930132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1855930132 is about 43080.5075643266. The cubic root of 1855930132 is about 1228.9113093458.

The spelling of 1855930132 in words is "one billion, eight hundred fifty-five million, nine hundred thirty thousand, one hundred thirty-two".