40320232330 has 16 divisors (see below), whose sum is σ = 82944478080. Its totient is φ = 13824079632.

The previous prime is 40320232327. The next prime is 40320232349. The reversal of 40320232330 is 3323202304.

40320232330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40320232330² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288001590 + ... + 288001729.

It is an arithmetic number, because the mean of its divisors is an integer number (5184029880).

Almost surely, 2^40320232330 is an apocalyptic number.

40320232330 is an abundant number, since it is smaller than the sum of its proper divisors (42624245750).

40320232330 is a wasteful number, since it uses less digits than its factorization.

40320232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576003333.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 40320232330 its reverse (3323202304), we get a palindrome (43643434634).

The spelling of 40320232330 in words is "forty billion, three hundred twenty million, two hundred thirty-two thousand, three hundred thirty".