380185140 has 24 divisors (see below), whose sum is σ = 1064518560. Its totient is φ = 101382688.

The previous prime is 380185129. The next prime is 380185153. The reversal of 380185140 is 41581083.

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

It is a junction number, because it is equal to n+sod(n) for n = 380185098 and 380185107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168150 + ... + 3168269.

It is an arithmetic number, because the mean of its divisors is an integer number (44354940).

Almost surely, 2^380185140 is an apocalyptic number.

380185140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380185140 is an abundant number, since it is smaller than the sum of its proper divisors (684333420).

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

380185140 is a wasteful number, since it uses less digits than its factorization.

380185140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336431 (or 6336429 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 380185140 is about 19498.3368521523. The cubic root of 380185140 is about 724.4332566477.

The spelling of 380185140 in words is "three hundred eighty million, one hundred eighty-five thousand, one hundred forty".