42489355 has 4 divisors (see below), whose sum is σ = 50987232. Its totient is φ = 33991480.

The previous prime is 42489331. The next prime is 42489361. The reversal of 42489355 is 55398424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42489355 - 2¹¹ = 42487307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248931 + ... + 4248940.

It is an arithmetic number, because the mean of its divisors is an integer number (12746808).

Almost surely, 2^42489355 is an apocalyptic number.

42489355 is a deficient number, since it is larger than the sum of its proper divisors (8497877).

42489355 is an equidigital number, since it uses as much as digits as its factorization.

42489355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497876.

The product of its digits is 172800, while the sum is 40.

The square root of 42489355 is about 6518.3859198424. The cubic root of 42489355 is about 348.9474637876.

The spelling of 42489355 in words is "forty-two million, four hundred eighty-nine thousand, three hundred fifty-five".