42440153 has 8 divisors (see below), whose sum is σ = 48545472. Its totient is φ = 36345456.

The previous prime is 42440149. The next prime is 42440161. The reversal of 42440153 is 35104424.

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

It is not a de Polignac number, because 42440153 - 2² = 42440149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440113) 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, 9851 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (6068184).

Almost surely, 2^42440153 is an apocalyptic number.

It is an amenable number.

42440153 is a deficient number, since it is larger than the sum of its proper divisors (6105319).

42440153 is a wasteful number, since it uses less digits than its factorization.

42440153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42440153 is about 6514.6107328067. The cubic root of 42440153 is about 348.8127198853.

Adding to 42440153 its reverse (35104424), we get a palindrome (77544577).

The spelling of 42440153 in words is "forty-two million, four hundred forty thousand, one hundred fifty-three".