42544065426 has 8 divisors (see below), whose sum is σ = 85088130864. Its totient is φ = 14181355140.

The previous prime is 42544065401. The next prime is 42544065427. The reversal of 42544065426 is 62456044524.

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

42544065426 is an admirable number.

It is a super-3 number, since 3×42544065426³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (42544065427) 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, 3545338780 + ... + 3545338791.

It is an arithmetic number, because the mean of its divisors is an integer number (10636016358).

Almost surely, 2^42544065426 is an apocalyptic number.

42544065426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42544065426 is a wasteful number, since it uses less digits than its factorization.

42544065426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090677576.

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 42544065426 in words is "forty-two billion, five hundred forty-four million, sixty-five thousand, four hundred twenty-six".