881015940 has 576 divisors, whose sum is σ = 3522355200. Its totient is φ = 180278784.

The previous prime is 881015923. The next prime is 881015963. The reversal of 881015940 is 49510188.

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 = 881015895 and 881015904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18744997 + ... + 18745043.

It is an arithmetic number, because the mean of its divisors is an integer number (6115200).

Almost surely, 2^881015940 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 881015940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761177600).

881015940 is an abundant number, since it is smaller than the sum of its proper divisors (2641339260).

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

881015940 is a wasteful number, since it uses less digits than its factorization.

881015940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 881015940 is about 29681.9126742196. The cubic root of 881015940 is about 958.6526019457.

The spelling of 881015940 in words is "eight hundred eighty-one million, fifteen thousand, nine hundred forty".