21444014524132 has 6 divisors (see below), whose sum is σ = 37527025417238. Its totient is φ = 10722007262064.

The previous prime is 21444014524129. The next prime is 21444014524237. The reversal of 21444014524132 is 23142541044412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13867461001216 + 7576553522916 = 3723904^2 + 2752554^2 .

It is a super-2 number, since 2×21444014524132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21444014524091 and 21444014524100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680501815513 + ... + 2680501815520.

Almost surely, 2^{21444014524132} is an apocalyptic number.

It is an amenable number.

21444014524132 is a deficient number, since it is larger than the sum of its proper divisors (16083010893106).

21444014524132 is a wasteful number, since it uses less digits than its factorization.

21444014524132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361003631037 (or 5361003631035 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 21444014524132 its reverse (23142541044412), we get a palindrome (44586555568544).

The spelling of 21444014524132 in words is "twenty-one trillion, four hundred forty-four billion, fourteen million, five hundred twenty-four thousand, one hundred thirty-two".