1808028408 has 32 divisors (see below), whose sum is σ = 4529381760. Its totient is φ = 601434720.

The previous prime is 1808028401. The next prime is 1808028451. The reversal of 1808028408 is 8048208081.

1808028408 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808028401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65658 + ... + 89033.

It is an arithmetic number, because the mean of its divisors is an integer number (141543180).

Almost surely, 2^1808028408 is an apocalyptic number.

It is an amenable number.

1808028408 is an abundant number, since it is smaller than the sum of its proper divisors (2721353352).

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

1808028408 is a wasteful number, since it uses less digits than its factorization.

1808028408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155187 (or 155183 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 1808028408 is about 42520.9172996068. The cubic root of 1808028408 is about 1218.2462502369.

The spelling of 1808028408 in words is "one billion, eight hundred eight million, twenty-eight thousand, four hundred eight".