118380540 has 96 divisors (see below), whose sum is σ = 349493760. Its totient is φ = 29880576.

The previous prime is 118380533. The next prime is 118380541. The reversal of 118380540 is 45083811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 118380498 and 118380507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118380541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150027 + ... + 150813.

It is an arithmetic number, because the mean of its divisors is an integer number (3640560).

Almost surely, 2^118380540 is an apocalyptic number.

118380540 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 118380540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174746880).

118380540 is an abundant number, since it is smaller than the sum of its proper divisors (231113220).

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

118380540 is a wasteful number, since it uses less digits than its factorization.

118380540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 118380540 is about 10880.2821654588. The cubic root of 118380540 is about 491.0135068452.

The spelling of 118380540 in words is "one hundred eighteen million, three hundred eighty thousand, five hundred forty".