21314446360224 has 48 divisors (see below), whose sum is σ = 55951770343392. Its totient is φ = 7104644196608.

The previous prime is 21314446360223. The next prime is 21314446360237. The reversal of 21314446360224 is 42206364441312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×21314446360224² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21314446360223) 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, 1359067 + ... + 6669029.

It is an arithmetic number, because the mean of its divisors is an integer number (1165661882154).

Almost surely, 2^{21314446360224} is an apocalyptic number.

21314446360224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21314446360224 is an abundant number, since it is smaller than the sum of its proper divisors (34637323983168).

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

21314446360224 is a wasteful number, since it uses less digits than its factorization.

21314446360224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351789 (or 5351781 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 21314446360224 in words is "twenty-one trillion, three hundred fourteen billion, four hundred forty-six million, three hundred sixty thousand, two hundred twenty-four".