1816104488 has 48 divisors (see below), whose sum is σ = 3806460000. Its totient is φ = 811484960.

The previous prime is 1816104457. The next prime is 1816104517. The reversal of 1816104488 is 8844016181.

It is a happy number.

It is a super-2 number, since 2×1816104488² = 6596471022667484288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41213 + ... + 73011.

It is an arithmetic number, because the mean of its divisors is an integer number (79301250).

Almost surely, 2^1816104488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1816104488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1903230000).

1816104488 is an abundant number, since it is smaller than the sum of its proper divisors (1990355512).

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

1816104488 is a wasteful number, since it uses less digits than its factorization.

1816104488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31886 (or 31871 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 1816104488 is about 42615.7774538961. Note that the first 3 decimals coincide. The cubic root of 1816104488 is about 1220.0574388436.

The spelling of 1816104488 in words is "one billion, eight hundred sixteen million, one hundred four thousand, four hundred eighty-eight".