42550015636650 has 24 divisors (see below), whose sum is σ = 105524038779264. Its totient is φ = 11346670836400.

The previous prime is 42550015636633. The next prime is 42550015636663. The reversal of 42550015636650 is 5663651005524.

It is a self number, because there is not a number n which added to its sum of digits gives 42550015636650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141833385306 + ... + 141833385605.

It is an arithmetic number, because the mean of its divisors is an integer number (4396834949136).

Almost surely, 2^{42550015636650} is an apocalyptic number.

42550015636650 is an abundant number, since it is smaller than the sum of its proper divisors (62974023142614).

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

42550015636650 is a wasteful number, since it uses less digits than its factorization.

42550015636650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283666770926 (or 283666770921 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 42550015636650 in words is "forty-two trillion, five hundred fifty billion, fifteen million, six hundred thirty-six thousand, six hundred fifty".