42326505 has 24 divisors (see below), whose sum is σ = 79010568. Its totient is φ = 20837376.

The previous prime is 42326503. The next prime is 42326527. The reversal of 42326505 is 50562324.

42326505 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 650 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7469289 + 34857216 = 2733^2 + 5904^2 .

It is not a de Polignac number, because 42326505 - 2¹ = 42326503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42326503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35592 + ... + 36761.

It is an arithmetic number, because the mean of its divisors is an integer number (3292107).

Almost surely, 2^42326505 is an apocalyptic number.

42326505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42326505 is a deficient number, since it is larger than the sum of its proper divisors (36684063).

42326505 is a wasteful number, since it uses less digits than its factorization.

42326505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72377 (or 72374 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42326505 is about 6505.8823383151. The cubic root of 42326505 is about 348.5010865004.

Adding to 42326505 its reverse (50562324), we get a palindrome (92888829).

The spelling of 42326505 in words is "forty-two million, three hundred twenty-six thousand, five hundred five".