1814055940 has 24 divisors (see below), whose sum is σ = 3826609920. Its totient is φ = 722366688.

The previous prime is 1814055917. The next prime is 1814055959. The reversal of 1814055940 is 495504181.

It is a self number, because there is not a number n which added to its sum of digits gives 1814055940.

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, 198910 + ... + 207829.

It is an arithmetic number, because the mean of its divisors is an integer number (159442080).

Almost surely, 2^1814055940 is an apocalyptic number.

1814055940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1814055940 is an abundant number, since it is smaller than the sum of its proper divisors (2012553980).

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

1814055940 is a wasteful number, since it uses less digits than its factorization.

1814055940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406971 (or 406969 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1814055940 is about 42591.7355833265. The cubic root of 1814055940 is about 1219.5985286546.

The spelling of 1814055940 in words is "one billion, eight hundred fourteen million, fifty-five thousand, nine hundred forty".