42658365 has 16 divisors (see below), whose sum is σ = 69841728. Its totient is φ = 22221696.

The previous prime is 42658351. The next prime is 42658367. The reversal of 42658365 is 56385624.

It is not a de Polignac number, because 42658365 - 2¹³ = 42650173 is a prime.

It is a super-2 number, since 2×42658365² = 3639472208946450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42658367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32424 + ... + 33713.

It is an arithmetic number, because the mean of its divisors is an integer number (4365108).

Almost surely, 2^42658365 is an apocalyptic number.

It is an amenable number.

42658365 is a deficient number, since it is larger than the sum of its proper divisors (27183363).

42658365 is a wasteful number, since it uses less digits than its factorization.

42658365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66188.

The product of its digits is 172800, while the sum is 39.

The square root of 42658365 is about 6531.3371525286. The cubic root of 42658365 is about 349.4095213813.

The spelling of 42658365 in words is "forty-two million, six hundred fifty-eight thousand, three hundred sixty-five".