42655449 has 8 divisors (see below), whose sum is σ = 57002400. Its totient is φ = 28372736.

The previous prime is 42655447. The next prime is 42655453. The reversal of 42655449 is 94455624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42655449 - 2¹ = 42655447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42655447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14487 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (7125300).

Almost surely, 2^42655449 is an apocalyptic number.

It is an amenable number.

42655449 is a deficient number, since it is larger than the sum of its proper divisors (14346951).

42655449 is a wasteful number, since it uses less digits than its factorization.

42655449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32119.

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

The square root of 42655449 is about 6531.1139172426. The cubic root of 42655449 is about 349.4015596652.

The spelling of 42655449 in words is "forty-two million, six hundred fifty-five thousand, four hundred forty-nine".