108381757440 has 448 divisors, whose sum is σ = 381276709632. Its totient is φ = 26070220800.

The previous prime is 108381757409. The next prime is 108381757469. The reversal of 108381757440 is 44757183801.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 108381757440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244653859 + ... + 244654301.

It is an arithmetic number, because the mean of its divisors is an integer number (851064084).

Almost surely, 2^108381757440 is an apocalyptic number.

108381757440 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 108381757440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190638354816).

108381757440 is an abundant number, since it is smaller than the sum of its proper divisors (272894952192).

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

108381757440 is a wasteful number, since it uses less digits than its factorization.

108381757440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 108381757440 in words is "one hundred eight billion, three hundred eighty-one million, seven hundred fifty-seven thousand, four hundred forty".