42144065472 has 28 divisors (see below), whose sum is σ = 111506173736. Its totient is φ = 14048021760.

The previous prime is 42144065443. The next prime is 42144065507. The reversal of 42144065472 is 27456044124.

It is a super-2 number, since 2×42144065472² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42144065472.

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, 109749979 + ... + 109750362.

Almost surely, 2^42144065472 is an apocalyptic number.

It is an amenable number.

42144065472 is an abundant number, since it is smaller than the sum of its proper divisors (69362108264).

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

42144065472 is a wasteful number, since it uses less digits than its factorization.

42144065472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219500356 (or 219500346 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 42144065472 in words is "forty-two billion, one hundred forty-four million, sixty-five thousand, four hundred seventy-two".