42044345041 has 4 divisors (see below), whose sum is σ = 42045400432. Its totient is φ = 42043289652.

The previous prime is 42044345027. The next prime is 42044345173. The reversal of 42044345041 is 14054344024.

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 42044345041 - 2²³ = 42035956433 is a prime.

It is a super-2 number, since 2×42044345041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42044344994 and 42044345012.

It is not an unprimeable number, because it can be changed into a prime (42044345341) 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, 465495 + ... + 548428.

It is an arithmetic number, because the mean of its divisors is an integer number (10511350108).

Almost surely, 2^42044345041 is an apocalyptic number.

It is an amenable number.

42044345041 is a deficient number, since it is larger than the sum of its proper divisors (1055391).

42044345041 is a wasteful number, since it uses less digits than its factorization.

42044345041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055390.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 42044345041 its reverse (14054344024), we get a palindrome (56098689065).

The spelling of 42044345041 in words is "forty-two billion, forty-four million, three hundred forty-five thousand, forty-one".