881177491040 has 384 divisors, whose sum is σ = 2650996325376. Its totient is φ = 268821504000.

The previous prime is 881177490989. The next prime is 881177491043. The reversal of 881177491040 is 40194771188.

It is a self number, because there is not a number n which added to its sum of digits gives 881177491040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881177491043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158567942 + ... + 158573498.

It is an arithmetic number, because the mean of its divisors is an integer number (6903636264).

Almost surely, 2^881177491040 is an apocalyptic number.

881177491040 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 881177491040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325498162688).

881177491040 is an abundant number, since it is smaller than the sum of its proper divisors (1769818834336).

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

881177491040 is a wasteful number, since it uses less digits than its factorization.

881177491040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 881177491040 in words is "eight hundred eighty-one billion, one hundred seventy-seven million, four hundred ninety-one thousand, forty".