1808318470 has 32 divisors (see below), whose sum is σ = 3756100608. Its totient is φ = 613973088.

The previous prime is 1808318459. The next prime is 1808318497. The reversal of 1808318470 is 748138081.

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

It is a congruent number.

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, 118194 + ... + 132613.

It is an arithmetic number, because the mean of its divisors is an integer number (117378144).

Almost surely, 2^1808318470 is an apocalyptic number.

1808318470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1808318470 is an abundant number, since it is smaller than the sum of its proper divisors (1947782138).

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

1808318470 is a wasteful number, since it uses less digits than its factorization.

1808318470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250924.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 1808318470 is about 42524.3279782291. The cubic root of 1808318470 is about 1218.3113945026.

The spelling of 1808318470 in words is "one billion, eight hundred eight million, three hundred eighteen thousand, four hundred seventy".