1804358380 has 48 divisors (see below), whose sum is σ = 4137668640. Its totient is φ = 655488000.

The previous prime is 1804358377. The next prime is 1804358399. The reversal of 1804358380 is 838534081.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260806 + ... + 267634.

It is an arithmetic number, because the mean of its divisors is an integer number (86201430).

Almost surely, 2^1804358380 is an apocalyptic number.

1804358380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1804358380 is an abundant number, since it is smaller than the sum of its proper divisors (2333310260).

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

1804358380 is a wasteful number, since it uses less digits than its factorization.

1804358380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050 (or 8048 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1804358380 is about 42477.7398174620. The cubic root of 1804358380 is about 1217.4214058192.

The spelling of 1804358380 in words is "one billion, eight hundred four million, three hundred fifty-eight thousand, three hundred eighty".