21442023394358 has 16 divisors (see below), whose sum is σ = 37275469242624. Its totient is φ = 9060009884520.

The previous prime is 21442023394357. The next prime is 21442023394361. The reversal of 21442023394358 is 85349332024412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442023394357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10785725060 + ... + 10785727047.

It is an arithmetic number, because the mean of its divisors is an integer number (2329716827664).

Almost surely, 2^{21442023394358} is an apocalyptic number.

21442023394358 is a deficient number, since it is larger than the sum of its proper divisors (15833445848266).

21442023394358 is a wasteful number, since it uses less digits than its factorization.

21442023394358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21571452187.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 21442023394358 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, three hundred ninety-four thousand, three hundred fifty-eight".