42144423540 has 24 divisors (see below), whose sum is σ = 118004386080. Its totient is φ = 11238512928.

The previous prime is 42144423527. The next prime is 42144423547. The reversal of 42144423540 is 4532444124.

It is a super-3 number, since 3×42144423540³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144423547) 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, 351203470 + ... + 351203589.

It is an arithmetic number, because the mean of its divisors is an integer number (4916849420).

Almost surely, 2^42144423540 is an apocalyptic number.

It is an amenable number.

42144423540 is an abundant number, since it is smaller than the sum of its proper divisors (75859962540).

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

42144423540 is a wasteful number, since it uses less digits than its factorization.

42144423540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702407071 (or 702407069 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 42144423540 its reverse (4532444124), we get a palindrome (46676867664).

The spelling of 42144423540 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-three thousand, five hundred forty".