2811425328 has 80 divisors (see below), whose sum is σ = 8081432160. Its totient is φ = 935794944.

The previous prime is 2811425327. The next prime is 2811425339. The reversal of 2811425328 is 8235241182.

It is a happy number.

2811425328 is a `hidden beast` number, since 2 + 8 + 114 + 2 + 532 + 8 = 666.

It is a super-2 number, since 2×2811425328² = 15808224749839815168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2811425292 and 2811425301.

It is not an unprimeable number, because it can be changed into a prime (2811425327) 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, 322726 + ... + 331322.

It is an arithmetic number, because the mean of its divisors is an integer number (101017902).

Almost surely, 2^2811425328 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 2811425328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4040716080).

2811425328 is an abundant number, since it is smaller than the sum of its proper divisors (5270006832).

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

2811425328 is a wasteful number, since it uses less digits than its factorization.

2811425328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371 (or 9359 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 2811425328 is about 53022.8755161393. The cubic root of 2811425328 is about 1411.3742328492.

The spelling of 2811425328 in words is "two billion, eight hundred eleven million, four hundred twenty-five thousand, three hundred twenty-eight".