118497340 has 48 divisors (see below), whose sum is σ = 273716352. Its totient is φ = 42817536.

The previous prime is 118497317. The next prime is 118497349. The reversal of 118497340 is 43794811.

It is a self number, because there is not a number n which added to its sum of digits gives 118497340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118497349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7372 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (5702424).

Almost surely, 2^118497340 is an apocalyptic number.

118497340 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 118497340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136858176).

118497340 is an abundant number, since it is smaller than the sum of its proper divisors (155219012).

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

118497340 is a wasteful number, since it uses less digits than its factorization.

118497340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766 (or 9764 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 118497340 is about 10885.6483500065. The cubic root of 118497340 is about 491.1749397023.

The spelling of 118497340 in words is "one hundred eighteen million, four hundred ninety-seven thousand, three hundred forty".