1852231980 has 24 divisors (see below), whose sum is σ = 5186249712. Its totient is φ = 493928512.

The previous prime is 1852231973. The next prime is 1852231981. The reversal of 1852231980 is 891322581.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1852231981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15435207 + ... + 15435326.

It is an arithmetic number, because the mean of its divisors is an integer number (216093738).

Almost surely, 2^1852231980 is an apocalyptic number.

1852231980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1852231980 is an abundant number, since it is smaller than the sum of its proper divisors (3334017732).

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

1852231980 is a wasteful number, since it uses less digits than its factorization.

1852231980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30870545 (or 30870543 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1852231980 is about 43037.5647545258. The cubic root of 1852231980 is about 1228.0945180425.

The spelling of 1852231980 in words is "one billion, eight hundred fifty-two million, two hundred thirty-one thousand, nine hundred eighty".