42441577 has 4 divisors (see below), whose sum is σ = 42506640. Its totient is φ = 42376516.

The previous prime is 42441569. The next prime is 42441613. The reversal of 42441577 is 77514424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42441577 - 2³ = 42441569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42441527) 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, 31543 + ... + 32860.

It is an arithmetic number, because the mean of its divisors is an integer number (10626660).

Almost surely, 2^42441577 is an apocalyptic number.

It is an amenable number.

42441577 is a deficient number, since it is larger than the sum of its proper divisors (65063).

42441577 is an equidigital number, since it uses as much as digits as its factorization.

42441577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65062.

The product of its digits is 31360, while the sum is 34.

The square root of 42441577 is about 6514.7200246826. The cubic root of 42441577 is about 348.8166210946.

The spelling of 42441577 in words is "forty-two million, four hundred forty-one thousand, five hundred seventy-seven".