42449005 has 8 divisors (see below), whose sum is σ = 50982624. Its totient is φ = 33930000.

The previous prime is 42449003. The next prime is 42449087. The reversal of 42449005 is 50094424.

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

It is not a de Polignac number, because 42449005 - 2¹ = 42449003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42449003) 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, 4330 + ... + 10180.

It is an arithmetic number, because the mean of its divisors is an integer number (6372828).

Almost surely, 2^42449005 is an apocalyptic number.

It is an amenable number.

42449005 is a deficient number, since it is larger than the sum of its proper divisors (8533619).

42449005 is a wasteful number, since it uses less digits than its factorization.

42449005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42449005 is about 6515.2900933113. The cubic root of 42449005 is about 348.8369695273.

The spelling of 42449005 in words is "forty-two million, four hundred forty-nine thousand, five".