42442511031512 has 16 divisors (see below), whose sum is σ = 79627446486360. Its totient is φ = 21208525301824.

The previous prime is 42442511031467. The next prime is 42442511031563. The reversal of 42442511031512 is 21513011524424.

It is a super-2 number, since 2×42442511031512² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591262573 + ... + 1591289244.

Almost surely, 2^{42442511031512} is an apocalyptic number.

It is an amenable number.

42442511031512 is a deficient number, since it is larger than the sum of its proper divisors (37184935454848).

42442511031512 is a wasteful number, since it uses less digits than its factorization.

42442511031512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182553490 (or 3182553486 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 42442511031512 its reverse (21513011524424), we get a palindrome (63955522555936).

The spelling of 42442511031512 in words is "forty-two trillion, four hundred forty-two billion, five hundred eleven million, thirty-one thousand, five hundred twelve".