4450138428846 has 64 divisors (see below), whose sum is σ = 9722296512000. Its totient is φ = 1346735376000.

The previous prime is 4450138428829. The next prime is 4450138428847. The reversal of 4450138428846 is 6488248310544.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450138428847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406436980 + ... + 406447928.

It is an arithmetic number, because the mean of its divisors is an integer number (151910883000).

Almost surely, 2^{4450138428846} is an apocalyptic number.

4450138428846 is an abundant number, since it is smaller than the sum of its proper divisors (5272158083154).

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

4450138428846 is a wasteful number, since it uses less digits than its factorization.

4450138428846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585.

The product of its (nonzero) digits is 23592960, while the sum is 57.

The spelling of 4450138428846 in words is "four trillion, four hundred fifty billion, one hundred thirty-eight million, four hundred twenty-eight thousand, eight hundred forty-six".