32421046405 has 16 divisors (see below), whose sum is σ = 43075566144. Its totient is φ = 23227015680.

The previous prime is 32421046391. The next prime is 32421046429. The reversal of 32421046405 is 50464012423.

It is not a de Polignac number, because 32421046405 - 2¹⁵ = 32421013637 is a prime.

It is a super-2 number, since 2×32421046405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4395372 + ... + 4402741.

It is an arithmetic number, because the mean of its divisors is an integer number (2692222884).

Almost surely, 2^32421046405 is an apocalyptic number.

It is an amenable number.

32421046405 is a deficient number, since it is larger than the sum of its proper divisors (10654519739).

32421046405 is a wasteful number, since it uses less digits than its factorization.

32421046405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798196.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 32421046405 its reverse (50464012423), we get a palindrome (82885058828).

The spelling of 32421046405 in words is "thirty-two billion, four hundred twenty-one million, forty-six thousand, four hundred five".