42013116672 has 36 divisors (see below), whose sum is σ = 111816161520. Its totient is φ = 14004371968.

The previous prime is 42013116659. The next prime is 42013116679. The reversal of 42013116672 is 27661131024.

It is not an unprimeable number, because it can be changed into a prime (42013116679) 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, 27351522 + ... + 27353057.

Almost surely, 2^42013116672 is an apocalyptic number.

It is an amenable number.

42013116672 is an abundant number, since it is smaller than the sum of its proper divisors (69803044848).

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

42013116672 is an equidigital number, since it uses as much as digits as its factorization.

42013116672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54704598 (or 54704584 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 42013116672 its reverse (27661131024), we get a palindrome (69674247696).

The spelling of 42013116672 in words is "forty-two billion, thirteen million, one hundred sixteen thousand, six hundred seventy-two".