42582181441 has 4 divisors (see below), whose sum is σ = 42610590000. Its totient is φ = 42553772884.

The previous prime is 42582181399. The next prime is 42582181459. The reversal of 42582181441 is 14418128524.

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 42582181441 - 2⁹ = 42582180929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42582181394 and 42582181403.

It is not an unprimeable number, because it can be changed into a prime (42582181241) 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, 14202031 + ... + 14205028.

It is an arithmetic number, because the mean of its divisors is an integer number (10652647500).

Almost surely, 2^42582181441 is an apocalyptic number.

It is an amenable number.

42582181441 is a deficient number, since it is larger than the sum of its proper divisors (28408559).

42582181441 is a wasteful number, since it uses less digits than its factorization.

42582181441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28408558.

The product of its digits is 81920, while the sum is 40.

The spelling of 42582181441 in words is "forty-two billion, five hundred eighty-two million, one hundred eighty-one thousand, four hundred forty-one".