32403042330 has 64 divisors (see below), whose sum is σ = 80444620800. Its totient is φ = 8344503360.

The previous prime is 32403042277. The next prime is 32403042359. The reversal of 32403042330 is 3324030423.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32403042330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409101 + ... + 481839.

It is an arithmetic number, because the mean of its divisors is an integer number (1256947200).

Almost surely, 2^32403042330 is an apocalyptic number.

32403042330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32403042330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40222310400).

32403042330 is an abundant number, since it is smaller than the sum of its proper divisors (48041578470).

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

32403042330 is a wasteful number, since it uses less digits than its factorization.

32403042330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73259.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 32403042330 its reverse (3324030423), we get a palindrome (35727072753).

The spelling of 32403042330 in words is "thirty-two billion, four hundred three million, forty-two thousand, three hundred thirty".