108775631440 has 160 divisors (see below), whose sum is σ = 301821396480. Its totient is φ = 35646707712.

The previous prime is 108775631431. The next prime is 108775631443. The reversal of 108775631440 is 44136577801.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108775631443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25719246 + ... + 25723474.

It is an arithmetic number, because the mean of its divisors is an integer number (1886383728).

Almost surely, 2^108775631440 is an apocalyptic number.

108775631440 is a gapful number since it is divisible by the number (10) 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 108775631440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150910698240).

108775631440 is an abundant number, since it is smaller than the sum of its proper divisors (193045765040).

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

108775631440 is a wasteful number, since it uses less digits than its factorization.

108775631440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 108775631440 in words is "one hundred eight billion, seven hundred seventy-five million, six hundred thirty-one thousand, four hundred forty".