1808051328620 has 48 divisors (see below), whose sum is σ = 3801145356288. Its totient is φ = 722413748160.

The previous prime is 1808051328599. The next prime is 1808051328649. The reversal of 1808051328620 is 268231508081.

It is a super-2 number, since 2×1808051328620² (a number of 25 digits) contains 22 as substring.

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, 100937465 + ... + 100955375.

It is an arithmetic number, because the mean of its divisors is an integer number (79190528256).

Almost surely, 2^{1808051328620} is an apocalyptic number.

1808051328620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1808051328620 is an abundant number, since it is smaller than the sum of its proper divisors (1993094027668).

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

1808051328620 is a wasteful number, since it uses less digits than its factorization.

1808051328620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23270 (or 23268 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 1808051328620 in words is "one trillion, eight hundred eight billion, fifty-one million, three hundred twenty-eight thousand, six hundred twenty".