42089650 has 12 divisors (see below), whose sum is σ = 78286842. Its totient is φ = 16835840.

The previous prime is 42089639. The next prime is 42089651. The reversal of 42089650 is 5698024.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17715681 + 24373969 = 4209^2 + 4937^2 .

It is not an unprimeable number, because it can be changed into a prime (42089651) 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 5 ways as a sum of consecutive naturals, for example, 420847 + ... + 420946.

Almost surely, 2^42089650 is an apocalyptic number.

42089650 is a deficient number, since it is larger than the sum of its proper divisors (36197192).

42089650 is a wasteful number, since it uses less digits than its factorization.

42089650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841805 (or 841800 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 42089650 is about 6487.6536590666. The cubic root of 42089650 is about 347.8498107800.

The spelling of 42089650 in words is "forty-two million, eighty-nine thousand, six hundred fifty".