21532044471302 has 8 divisors (see below), whose sum is σ = 32511961188912. Its totient is φ = 10694724075000.

The previous prime is 21532044471269. The next prime is 21532044471323. The reversal of 21532044471302 is 20317444023512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21532044471302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35649079949 + ... + 35649080552.

It is an arithmetic number, because the mean of its divisors is an integer number (4063995148614).

Almost surely, 2^{21532044471302} is an apocalyptic number.

21532044471302 is a deficient number, since it is larger than the sum of its proper divisors (10979916717610).

21532044471302 is a wasteful number, since it uses less digits than its factorization.

21532044471302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71298160654.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 21532044471302 its reverse (20317444023512), we get a palindrome (41849488494814).

The spelling of 21532044471302 in words is "twenty-one trillion, five hundred thirty-two billion, forty-four million, four hundred seventy-one thousand, three hundred two".