1810130328 has 56 divisors (see below), whose sum is σ = 5088680100. Its totient is φ = 603374832.

The previous prime is 1810130293. The next prime is 1810130341. The reversal of 1810130328 is 8230310181.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 149358 + ... + 161021.

Almost surely, 2^1810130328 is an apocalyptic number.

1810130328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1810130328 is an abundant number, since it is smaller than the sum of its proper divisors (3278549772).

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

1810130328 is an equidigital number, since it uses as much as digits as its factorization.

1810130328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310403 (or 310384 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1810130328 is about 42545.6264262262. The cubic root of 1810130328 is about 1218.7181573692.

The spelling of 1810130328 in words is "one billion, eight hundred ten million, one hundred thirty thousand, three hundred twenty-eight".