42265386 has 24 divisors (see below), whose sum is σ = 96395520. Its totient is φ = 13346856.

The previous prime is 42265381. The next prime is 42265387. The reversal of 42265386 is 68356224.

It is a self number, because there is not a number n which added to its sum of digits gives 42265386.

It is not an unprimeable number, because it can be changed into a prime (42265381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61450 + ... + 62133.

It is an arithmetic number, because the mean of its divisors is an integer number (4016480).

Almost surely, 2^42265386 is an apocalyptic number.

42265386 is an abundant number, since it is smaller than the sum of its proper divisors (54130134).

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

42265386 is a wasteful number, since it uses less digits than its factorization.

42265386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123610 (or 123607 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42265386 is about 6501.1834307301. The cubic root of 42265386 is about 348.3332618046. Note that the first 3 decimals are identical.

The spelling of 42265386 in words is "forty-two million, two hundred sixty-five thousand, three hundred eighty-six".