42550919072 has 24 divisors (see below), whose sum is σ = 83797039872. Its totient is φ = 21269131200.

The previous prime is 42550919039. The next prime is 42550919077. The reversal of 42550919072 is 27091905524.

It is not an unprimeable number, because it can be changed into a prime (42550919077) 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, 87554 + ... + 304577.

It is an arithmetic number, because the mean of its divisors is an integer number (3491543328).

Almost surely, 2^42550919072 is an apocalyptic number.

It is an amenable number.

42550919072 is a deficient number, since it is larger than the sum of its proper divisors (41246120800).

42550919072 is a wasteful number, since it uses less digits than its factorization.

42550919072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395532 (or 395524 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 42550919072 in words is "forty-two billion, five hundred fifty million, nine hundred nineteen thousand, seventy-two".