42695505 has 40 divisors (see below), whose sum is σ = 78198912. Its totient is φ = 22276512.

The previous prime is 42695501. The next prime is 42695507. The reversal of 42695505 is 50559624.

42695505 is a `hidden beast` number, since 42 + 69 + 550 + 5 = 666.

It is not a de Polignac number, because 42695505 - 2² = 42695501 is a prime.

It is a super-2 number, since 2×42695505² = 3645812294410050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42695505.

It is not an unprimeable number, because it can be changed into a prime (42695501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17914 + ... + 20156.

Almost surely, 2^42695505 is an apocalyptic number.

42695505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42695505 is a deficient number, since it is larger than the sum of its proper divisors (35503407).

42695505 is a wasteful number, since it uses less digits than its factorization.

42695505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 42695505 is about 6534.1797495937. The cubic root of 42695505 is about 349.5108950535.

The spelling of 42695505 in words is "forty-two million, six hundred ninety-five thousand, five hundred five".