841538880 has 672 divisors, whose sum is σ = 3772204800. Its totient is φ = 168210432.

The previous prime is 841538869. The next prime is 841538897. The reversal of 841538880 is 88835148.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44291511 + ... + 44291529.

It is an arithmetic number, because the mean of its divisors is an integer number (5613400).

Almost surely, 2^841538880 is an apocalyptic number.

841538880 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 841538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886102400).

841538880 is an abundant number, since it is smaller than the sum of its proper divisors (2930665920).

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

841538880 is a wasteful number, since it uses less digits than its factorization.

841538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 841538880 is about 29009.2895466263. The cubic root of 841538880 is about 944.1146322538.

The spelling of 841538880 in words is "eight hundred forty-one million, five hundred thirty-eight thousand, eight hundred eighty".