1811410328 has 64 divisors (see below), whose sum is σ = 4186512960. Its totient is φ = 715516416.

The previous prime is 1811410327. The next prime is 1811410357. The reversal of 1811410328 is 8230141181.

It is a self number, because there is not a number n which added to its sum of digits gives 1811410328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1811410327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619526 + ... + 622442.

It is an arithmetic number, because the mean of its divisors is an integer number (65414265).

Almost surely, 2^1811410328 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 1811410328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093256480).

1811410328 is an abundant number, since it is smaller than the sum of its proper divisors (2375102632).

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

1811410328 is a wasteful number, since it uses less digits than its factorization.

1811410328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1811410328 is about 42560.6664421506. Note that the first 3 decimals coincide. The cubic root of 1811410328 is about 1219.0053543117.

The spelling of 1811410328 in words is "one billion, eight hundred eleven million, four hundred ten thousand, three hundred twenty-eight".