108518634240 has 144 divisors (see below), whose sum is σ = 346773331968. Its totient is φ = 28922277888.

The previous prime is 108518634221. The next prime is 108518634313. The reversal of 108518634240 is 42436815801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 108518634192 and 108518634201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7991937 + ... + 8005503.

Almost surely, 2^108518634240 is an apocalyptic number.

108518634240 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 108518634240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173386665984).

108518634240 is an abundant number, since it is smaller than the sum of its proper divisors (238254697728).

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

108518634240 is a wasteful number, since it uses less digits than its factorization.

108518634240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15674 (or 15660 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 108518634240 in words is "one hundred eight billion, five hundred eighteen million, six hundred thirty-four thousand, two hundred forty".