16444257626442 has 32 divisors (see below), whose sum is σ = 32935627109952. Its totient is φ = 5473569487104.

The previous prime is 16444257626393. The next prime is 16444257626449. The reversal of 16444257626442 is 24462675244461.

16444257626442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16444257626449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29267268 + ... + 29823840.

It is an arithmetic number, because the mean of its divisors is an integer number (1029238347186).

Almost surely, 2^{16444257626442} is an apocalyptic number.

16444257626442 is an abundant number, since it is smaller than the sum of its proper divisors (16491369483510).

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

16444257626442 is a wasteful number, since it uses less digits than its factorization.

16444257626442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563622.

The product of its digits is 61931520, while the sum is 57.

The spelling of 16444257626442 in words is "sixteen trillion, four hundred forty-four billion, two hundred fifty-seven million, six hundred twenty-six thousand, four hundred forty-two".