42200489 has 4 divisors (see below), whose sum is σ = 42234324. Its totient is φ = 42166656.

The previous prime is 42200467. The next prime is 42200491. The reversal of 42200489 is 98400224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21086464 + 21114025 = 4592^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 42200489 - 2¹² = 42196393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42200429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14972 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (10558581).

Almost surely, 2^42200489 is an apocalyptic number.

It is an amenable number.

42200489 is a deficient number, since it is larger than the sum of its proper divisors (33835).

42200489 is a wasteful number, since it uses less digits than its factorization.

42200489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33834.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 42200489 is about 6496.1903451177. The cubic root of 42200489 is about 348.1548860237.

The spelling of 42200489 in words is "forty-two million, two hundred thousand, four hundred eighty-nine".