42518066 has 32 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 19958400.

The previous prime is 42518057. The next prime is 42518083. The reversal of 42518066 is 66081524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390020 + ... + 390128.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^42518066 is an apocalyptic number.

42518066 is a deficient number, since it is larger than the sum of its proper divisors (25340494).

42518066 is a wasteful number, since it uses less digits than its factorization.

42518066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 42518066 is about 6520.5878569344. The cubic root of 42518066 is about 349.0260432724.

The spelling of 42518066 in words is "forty-two million, five hundred eighteen thousand, sixty-six".