42044004019 has 16 divisors (see below), whose sum is σ = 45889348608. Its totient is φ = 38366864512.

The previous prime is 42044004007. The next prime is 42044004043. The reversal of 42044004019 is 91040044024.

It is a cyclic number.

It is not a de Polignac number, because 42044004019 - 2⁷ = 42044003891 is a prime.

It is a super-2 number, since 2×42044004019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42044004049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160399 + ... + 331384.

It is an arithmetic number, because the mean of its divisors is an integer number (2868084288).

Almost surely, 2^42044004019 is an apocalyptic number.

42044004019 is a deficient number, since it is larger than the sum of its proper divisors (3845344589).

42044004019 is a wasteful number, since it uses less digits than its factorization.

42044004019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491954.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 42044004019 in words is "forty-two billion, forty-four million, four thousand, nineteen".