118021528240 has 160 divisors (see below), whose sum is σ = 345432462336. Its totient is φ = 36428590080.

The previous prime is 118021528231. The next prime is 118021528241. The reversal of 118021528240 is 42825120811.

It is a super-2 number, since 2×118021528240² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118021528196 and 118021528205.

It is not an unprimeable number, because it can be changed into a prime (118021528241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541474 + ... + 727486.

Almost surely, 2^118021528240 is an apocalyptic number.

118021528240 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 118021528240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172716231168).

118021528240 is an abundant number, since it is smaller than the sum of its proper divisors (227410934096).

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

118021528240 is a wasteful number, since it uses less digits than its factorization.

118021528240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186147 (or 186141 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The spelling of 118021528240 in words is "one hundred eighteen billion, twenty-one million, five hundred twenty-eight thousand, two hundred forty".