42265518 has 8 divisors (see below), whose sum is σ = 84531048. Its totient is φ = 14088504.

The previous prime is 42265511. The next prime is 42265541. The reversal of 42265518 is 81556224.

It is a sphenic number, since it is the product of 3 distinct primes.

42265518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42265511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522121 + ... + 3522132.

It is an arithmetic number, because the mean of its divisors is an integer number (10566381).

Almost surely, 2^42265518 is an apocalyptic number.

42265518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42265518 is a wasteful number, since it uses less digits than its factorization.

42265518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044258.

The product of its digits is 19200, while the sum is 33.

The square root of 42265518 is about 6501.1935827200. The cubic root of 42265518 is about 348.3336244335. Note that the first 3 decimals are identical.

The spelling of 42265518 in words is "forty-two million, two hundred sixty-five thousand, five hundred eighteen".