118640499452 has 12 divisors (see below), whose sum is σ = 208114038216. Its totient is φ = 59179345680.

The previous prime is 118640499451. The next prime is 118640499463. The reversal of 118640499452 is 254994046811.

It is a super-2 number, since 2×118640499452² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118640499394 and 118640499403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118640499451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35224118 + ... + 35227485.

It is an arithmetic number, because the mean of its divisors is an integer number (17342836518).

Almost surely, 2^118640499452 is an apocalyptic number.

It is an amenable number.

118640499452 is a deficient number, since it is larger than the sum of its proper divisors (89473538764).

118640499452 is a wasteful number, since it uses less digits than its factorization.

118640499452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70452028 (or 70452026 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 118640499452 in words is "one hundred eighteen billion, six hundred forty million, four hundred ninety-nine thousand, four hundred fifty-two".