42144043412 has 12 divisors (see below), whose sum is σ = 77633764320. Its totient is φ = 19962967896.

The previous prime is 42144043411. The next prime is 42144043427. The reversal of 42144043412 is 21434044124.

It is a super-2 number, since 2×42144043412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144043411) 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, 277263368 + ... + 277263519.

It is an arithmetic number, because the mean of its divisors is an integer number (6469480360).

Almost surely, 2^42144043412 is an apocalyptic number.

It is an amenable number.

42144043412 is a deficient number, since it is larger than the sum of its proper divisors (35489720908).

42144043412 is a wasteful number, since it uses less digits than its factorization.

42144043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554526910 (or 554526908 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42144043412 its reverse (21434044124), we get a palindrome (63578087536).

The spelling of 42144043412 in words is "forty-two billion, one hundred forty-four million, forty-three thousand, four hundred twelve".