40321311330 has 32 divisors (see below), whose sum is σ = 96777094464. Its totient is φ = 10751688896.

The previous prime is 40321311319. The next prime is 40321311343. The reversal of 40321311330 is 3311312304.

It is a junction number, because it is equal to n+sod(n) for n = 40321311297 and 40321311306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638332 + ... + 698648.

It is an arithmetic number, because the mean of its divisors is an integer number (3024284202).

Almost surely, 2^40321311330 is an apocalyptic number.

40321311330 is an abundant number, since it is smaller than the sum of its proper divisors (56455783134).

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

40321311330 is a wasteful number, since it uses less digits than its factorization.

40321311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82610.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 40321311330 its reverse (3311312304), we get a palindrome (43632623634).

The spelling of 40321311330 in words is "forty billion, three hundred twenty-one million, three hundred eleven thousand, three hundred thirty".