42652449 has 24 divisors (see below), whose sum is σ = 71210880. Its totient is φ = 24095808.

The previous prime is 42652433. The next prime is 42652451. The reversal of 42652449 is 94425624.

It is not a de Polignac number, because 42652449 - 2⁴ = 42652433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42652409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1804 + ... + 9410.

It is an arithmetic number, because the mean of its divisors is an integer number (2967120).

Almost surely, 2^42652449 is an apocalyptic number.

It is an amenable number.

42652449 is a deficient number, since it is larger than the sum of its proper divisors (28558431).

42652449 is a wasteful number, since it uses less digits than its factorization.

42652449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709 (or 7706 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42652449 is about 6530.8842433471. The cubic root of 42652449 is about 349.3933682205.

The spelling of 42652449 in words is "forty-two million, six hundred fifty-two thousand, four hundred forty-nine".