42143635216 has 40 divisors (see below), whose sum is σ = 88273854080. Its totient is φ = 19423234944.

The previous prime is 42143635211. The next prime is 42143635249. The reversal of 42143635216 is 61253634124.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (42143635211) 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, 1862136 + ... + 1884631.

It is an arithmetic number, because the mean of its divisors is an integer number (2206846352).

Almost surely, 2^42143635216 is an apocalyptic number.

It is an amenable number.

42143635216 is an abundant number, since it is smaller than the sum of its proper divisors (46130218864).

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

42143635216 is a wasteful number, since it uses less digits than its factorization.

42143635216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746831 (or 3746825 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 42143635216 in words is "forty-two billion, one hundred forty-three million, six hundred thirty-five thousand, two hundred sixteen".