118247040 has 160 divisors (see below), whose sum is σ = 422466660. Its totient is φ = 31518720.

The previous prime is 118246991. The next prime is 118247099. The reversal of 118247040 is 40742811.

It can be written as a sum of positive squares in 2 ways, for example, as 118200384 + 46656 = 10872^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 118246995 and 118247013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50700 + ... + 52980.

Almost surely, 2^118247040 is an apocalyptic number.

118247040 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 118247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211233330).

118247040 is an abundant number, since it is smaller than the sum of its proper divisors (304219620).

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

118247040 is an equidigital number, since it uses as much as digits as its factorization.

118247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 118247040 is about 10874.1454836691. The cubic root of 118247040 is about 490.8288623099.

Adding to 118247040 its reverse (40742811), we get a palindrome (158989851).

The spelling of 118247040 in words is "one hundred eighteen million, two hundred forty-seven thousand, forty".