118279740 has 24 divisors (see below), whose sum is σ = 331183440. Its totient is φ = 31541248.

The previous prime is 118279739. The next prime is 118279747. The reversal of 118279740 is 47972811.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118279747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985605 + ... + 985724.

It is an arithmetic number, because the mean of its divisors is an integer number (13799310).

Almost surely, 2^118279740 is an apocalyptic number.

118279740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118279740 is an abundant number, since it is smaller than the sum of its proper divisors (212903700).

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

118279740 is a wasteful number, since it uses less digits than its factorization.

118279740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971341 (or 1971339 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 118279740 is about 10875.6489461549. The cubic root of 118279740 is about 490.8741026940.

The spelling of 118279740 in words is "one hundred eighteen million, two hundred seventy-nine thousand, seven hundred forty".