1814004380 has 24 divisors (see below), whose sum is σ = 4033492848. Its totient is φ = 682919168.

The previous prime is 1814004377. The next prime is 1814004391. The reversal of 1814004380 is 834004181.

It is a super-2 number, since 2×1814004380² = 6581223781318368800, which contains 22 as substring.

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, 2667314 + ... + 2667993.

It is an arithmetic number, because the mean of its divisors is an integer number (168062202).

Almost surely, 2^1814004380 is an apocalyptic number.

1814004380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1814004380 is an abundant number, since it is smaller than the sum of its proper divisors (2219488468).

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

1814004380 is a wasteful number, since it uses less digits than its factorization.

1814004380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335333 (or 5335331 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1814004380 is about 42591.1302972814. The cubic root of 1814004380 is about 1219.5869738665.

The spelling of 1814004380 in words is "one billion, eight hundred fourteen million, four thousand, three hundred eighty".