1881129096 has 448 divisors, whose sum is σ = 6799334400. Its totient is φ = 473558400.

The previous prime is 1881129091. The next prime is 1881129137. The reversal of 1881129096 is 6909211881.

It is not an unprimeable number, because it can be changed into a prime (1881129091) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 26494741 + ... + 26494811.

Almost surely, 2^1881129096 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 1881129096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3399667200).

1881129096 is an abundant number, since it is smaller than the sum of its proper divisors (4918205304).

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

1881129096 is a wasteful number, since it uses less digits than its factorization.

1881129096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The square root of 1881129096 is about 43371.9851517082. The cubic root of 1881129096 is about 1234.4481891772.

The spelling of 1881129096 in words is "one billion, eight hundred eighty-one million, one hundred twenty-nine thousand, ninety-six".