32000403421 has 16 divisors (see below), whose sum is σ = 39149222400. Its totient is φ = 25544855088.

The previous prime is 32000403349. The next prime is 32000403431. The reversal of 32000403421 is 12430400023.

It is a cyclic number.

It is not a de Polignac number, because 32000403421 - 2⁷ = 32000403293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32000403431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2031175 + ... + 2046868.

It is an arithmetic number, because the mean of its divisors is an integer number (2446826400).

Almost surely, 2^32000403421 is an apocalyptic number.

It is an amenable number.

32000403421 is a deficient number, since it is larger than the sum of its proper divisors (7148818979).

32000403421 is a wasteful number, since it uses less digits than its factorization.

32000403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078128.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 32000403421 its reverse (12430400023), we get a palindrome (44430803444).

The spelling of 32000403421 in words is "thirty-two billion, four hundred three thousand, four hundred twenty-one".