6442636123050 has 24 divisors (see below), whose sum is σ = 15977737585536. Its totient is φ = 1718036299440.

The previous prime is 6442636123013. The next prime is 6442636123057. The reversal of 6442636123050 is 503216362446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6442636122993 and 6442636123011.

It is not an unprimeable number, because it can be changed into a prime (6442636123057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21475453594 + ... + 21475453893.

It is an arithmetic number, because the mean of its divisors is an integer number (665739066064).

Almost surely, 2^{6442636123050} is an apocalyptic number.

6442636123050 is an abundant number, since it is smaller than the sum of its proper divisors (9535101462486).

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

6442636123050 is a wasteful number, since it uses less digits than its factorization.

6442636123050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42950907502 (or 42950907497 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 6442636123050 in words is "six trillion, four hundred forty-two billion, six hundred thirty-six million, one hundred twenty-three thousand, fifty".