2029181128 has 32 divisors (see below), whose sum is σ = 4102693560. Its totient is φ = 935331840.

The previous prime is 2029181113. The next prime is 2029181129. The reversal of 2029181128 is 8211819202.

It can be written as a sum of positive squares in 4 ways, for example, as 708730884 + 1320450244 = 26622^2 + 36338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2029181093 and 2029181102.

It is not an unprimeable number, because it can be changed into a prime (2029181129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70648 + ... + 95128.

Almost surely, 2^2029181128 is an apocalyptic number.

It is an amenable number.

2029181128 is an abundant number, since it is smaller than the sum of its proper divisors (2073512432).

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

2029181128 is a wasteful number, since it uses less digits than its factorization.

2029181128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25297 (or 25293 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 2029181128 is about 45046.4330219386. The cubic root of 2029181128 is about 1266.0191400747.

The spelling of 2029181128 in words is "two billion, twenty-nine million, one hundred eighty-one thousand, one hundred twenty-eight".