881042391040 has 480 divisors, whose sum is σ = 2596355586000. Its totient is φ = 286173167616.

The previous prime is 881042391037. The next prime is 881042391041. The reversal of 881042391040 is 40193240188.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 881042390984 and 881042391002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881042391041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46370652151 + ... + 46370652169.

Almost surely, 2^881042391040 is an apocalyptic number.

881042391040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881042391040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298177793000).

881042391040 is an abundant number, since it is smaller than the sum of its proper divisors (1715313194960).

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

881042391040 is an frugal number, since it uses more digits than its factorization.

881042391040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 881042391040 in words is "eight hundred eighty-one billion, forty-two million, three hundred ninety-one thousand, forty".