42350665550 has 48 divisors (see below), whose sum is σ = 79058212272. Its totient is φ = 16878892800.

The previous prime is 42350665517. The next prime is 42350665579. The reversal of 42350665550 is 5556605324.

It is a junction number, because it is equal to n+sod(n) for n = 42350665498 and 42350665507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30844664 + ... + 30846036.

It is an arithmetic number, because the mean of its divisors is an integer number (1647046089).

Almost surely, 2^42350665550 is an apocalyptic number.

42350665550 is a deficient number, since it is larger than the sum of its proper divisors (36707546722).

42350665550 is a wasteful number, since it uses less digits than its factorization.

42350665550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 42350665550 in words is "forty-two billion, three hundred fifty million, six hundred sixty-five thousand, five hundred fifty".