32404323402 has 64 divisors (see below), whose sum is σ = 78583996800. Its totient is φ = 9815984640.

The previous prime is 32404323397. The next prime is 32404323403. The reversal of 32404323402 is 20432340423.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (32404323403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2005018 + ... + 2021114.

It is an arithmetic number, because the mean of its divisors is an integer number (1227874950).

Almost surely, 2^32404323402 is an apocalyptic number.

32404323402 is an abundant number, since it is smaller than the sum of its proper divisors (46179673398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32404323402 is a wasteful number, since it uses less digits than its factorization.

32404323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19508 (or 19502 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 32404323402 its reverse (20432340423), we get a palindrome (52836663825).

The spelling of 32404323402 in words is "thirty-two billion, four hundred four million, three hundred twenty-three thousand, four hundred two".