21024342244304 has 40 divisors (see below), whose sum is σ = 47636549547840. Its totient is φ = 8800887449088.

The previous prime is 21024342244253. The next prime is 21024342244379. The reversal of 21024342244304 is 40344224342012.

It is a congruent number.

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, 2182754969 + ... + 2182764600.

It is an arithmetic number, because the mean of its divisors is an integer number (1190913738696).

Almost surely, 2^{21024342244304} is an apocalyptic number.

It is an amenable number.

21024342244304 is an abundant number, since it is smaller than the sum of its proper divisors (26612207303536).

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

21024342244304 is a wasteful number, since it uses less digits than its factorization.

21024342244304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365519627 (or 4365519621 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 21024342244304 its reverse (40344224342012), we get a palindrome (61368566586316).

The spelling of 21024342244304 in words is "twenty-one trillion, twenty-four billion, three hundred forty-two million, two hundred forty-four thousand, three hundred four".