42144540033 has 8 divisors (see below), whose sum is σ = 56223928096. Its totient is φ = 28080756000.

The previous prime is 42144540023. The next prime is 42144540037. The reversal of 42144540033 is 33004544124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42144540033 - 2⁴ = 42144540017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42144540037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894703 + ... + 3905508.

It is an arithmetic number, because the mean of its divisors is an integer number (7027991012).

Almost surely, 2^42144540033 is an apocalyptic number.

It is an amenable number.

42144540033 is a deficient number, since it is larger than the sum of its proper divisors (14079388063).

42144540033 is a wasteful number, since it uses less digits than its factorization.

42144540033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802015.

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 42144540033 in words is "forty-two billion, one hundred forty-four million, five hundred forty thousand, thirty-three".