918376042 has 4 divisors (see below), whose sum is σ = 1377564066. Its totient is φ = 459188020.

The previous prime is 918376037. The next prime is 918376051. The reversal of 918376042 is 240673819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 720439281 + 197936761 = 26841^2 + 14069^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 918375986 and 918376004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229594009 + ... + 229594012.

Almost surely, 2^918376042 is an apocalyptic number.

918376042 is a deficient number, since it is larger than the sum of its proper divisors (459188024).

918376042 is a wasteful number, since it uses less digits than its factorization.

918376042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459188023.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 918376042 is about 30304.7197974177. The cubic root of 918376042 is about 972.0162270714.

It can be divided in two parts, 91837 and 6042, that added together give a palindrome (97879).

The spelling of 918376042 in words is "nine hundred eighteen million, three hundred seventy-six thousand, forty-two".