32421046406 has 16 divisors (see below), whose sum is σ = 56761468416. Its totient is φ = 13599101256.

The previous prime is 32421046391. The next prime is 32421046429. The reversal of 32421046406 is 60464012423.

It is a super-2 number, since 2×32421046406² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 24635396 + ... + 24636711.

It is an arithmetic number, because the mean of its divisors is an integer number (3547591776).

Almost surely, 2^32421046406 is an apocalyptic number.

32421046406 is a deficient number, since it is larger than the sum of its proper divisors (24340422010).

32421046406 is a wasteful number, since it uses less digits than its factorization.

32421046406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49272163.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 32421046406 its reverse (60464012423), we get a palindrome (92885058829).

The spelling of 32421046406 in words is "thirty-two billion, four hundred twenty-one million, forty-six thousand, four hundred six".