21244322240034 has 16 divisors (see below), whose sum is σ = 42490669639872. Its totient is φ = 7081103220048.

The previous prime is 21244322240003. The next prime is 21244322240041. The reversal of 21244322240034 is 43004222344212.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21244322239977 and 21244322240004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84245269 + ... + 84497064.

It is an arithmetic number, because the mean of its divisors is an integer number (2655666852492).

Almost surely, 2^{21244322240034} is an apocalyptic number.

21244322240034 is an abundant number, since it is smaller than the sum of its proper divisors (21246347399838).

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

21244322240034 is a wasteful number, since it uses less digits than its factorization.

21244322240034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168763321.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 21244322240034 its reverse (43004222344212), we get a palindrome (64248544584246).

The spelling of 21244322240034 in words is "twenty-one trillion, two hundred forty-four billion, three hundred twenty-two million, two hundred forty thousand, thirty-four".