42001124441 has 4 divisors (see below), whose sum is σ = 42002174592. Its totient is φ = 42000074292.

The previous prime is 42001124423. The next prime is 42001124467. The reversal of 42001124441 is 14442110024.

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 42001124441 - 2¹⁴ = 42001108057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42001124401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462605 + ... + 545898.

It is an arithmetic number, because the mean of its divisors is an integer number (10500543648).

Almost surely, 2^42001124441 is an apocalyptic number.

It is an amenable number.

42001124441 is a deficient number, since it is larger than the sum of its proper divisors (1050151).

42001124441 is a wasteful number, since it uses less digits than its factorization.

42001124441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050150.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 42001124441 its reverse (14442110024), we get a palindrome (56443234465).

The spelling of 42001124441 in words is "forty-two billion, one million, one hundred twenty-four thousand, four hundred forty-one".