118213040 has 40 divisors (see below), whose sum is σ = 299833488. Its totient is φ = 42986240.

The previous prime is 118213021. The next prime is 118213057. The reversal of 118213040 is 40312811.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66287 + ... + 68046.

Almost surely, 2^118213040 is an apocalyptic number.

118213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118213040 is an abundant number, since it is smaller than the sum of its proper divisors (181620448).

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

118213040 is a wasteful number, since it uses less digits than its factorization.

118213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134357 (or 134351 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 118213040 is about 10872.5820300424. The cubic root of 118213040 is about 490.7818145331.

Adding to 118213040 its reverse (40312811), we get a palindrome (158525851).

The spelling of 118213040 in words is "one hundred eighteen million, two hundred thirteen thousand, forty".