118444426 has 4 divisors (see below), whose sum is σ = 177666642. Its totient is φ = 59222212.

The previous prime is 118444393. The next prime is 118444429. The reversal of 118444426 is 624444811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624444811 = 31 ⋅20143381.

It can be written as a sum of positive squares in only one way, i.e., 115025625 + 3418801 = 10725^2 + 1849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118444391 and 118444400.

It is not an unprimeable number, because it can be changed into a prime (118444429) by changing a digit.

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 as a sum of consecutive naturals, namely, 29611105 + ... + 29611108.

Almost surely, 2^118444426 is an apocalyptic number.

118444426 is a deficient number, since it is larger than the sum of its proper divisors (59222216).

118444426 is an equidigital number, since it uses as much as digits as its factorization.

118444426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59222215.

The product of its digits is 24576, while the sum is 34.

The square root of 118444426 is about 10883.2176308296. The cubic root of 118444426 is about 491.1018187915.

The spelling of 118444426 in words is "one hundred eighteen million, four hundred forty-four thousand, four hundred twenty-six".