40321433430 has 24 divisors (see below), whose sum is σ = 104835727152. Its totient is φ = 10752382224.

The previous prime is 40321433429. The next prime is 40321433441. The reversal of 40321433430 is 3433412304.

40321433430 is a `hidden beast` number, since 4 + 0 + 321 + 4 + 334 + 3 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40321433394 and 40321433403.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 224007874 + ... + 224008053.

It is an arithmetic number, because the mean of its divisors is an integer number (4368155298).

Almost surely, 2^40321433430 is an apocalyptic number.

40321433430 is an abundant number, since it is smaller than the sum of its proper divisors (64514293722).

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

40321433430 is a wasteful number, since it uses less digits than its factorization.

40321433430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448015940 (or 448015937 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40321433430 its reverse (3433412304), we get a palindrome (43754845734).

The spelling of 40321433430 in words is "forty billion, three hundred twenty-one million, four hundred thirty-three thousand, four hundred thirty".