42105443015416 has 32 divisors (see below), whose sum is σ = 86836544783280. Its totient is φ = 19138837729440.

The previous prime is 42105443015411. The next prime is 42105443015417. The reversal of 42105443015416 is 61451034450124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105443015411) 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, 1977142011 + ... + 1977163306.

Almost surely, 2^{42105443015416} is an apocalyptic number.

It is an amenable number.

42105443015416 is an abundant number, since it is smaller than the sum of its proper divisors (44731101767864).

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

42105443015416 is a wasteful number, since it uses less digits than its factorization.

42105443015416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954305356 (or 3954305330 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 42105443015416 in words is "forty-two trillion, one hundred five billion, four hundred forty-three million, fifteen thousand, four hundred sixteen".