40331330 has 32 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 14807232.

The previous prime is 40331323. The next prime is 40331353. The reversal of 40331330 is 3313304.

It is a junction number, because it is equal to n+sod(n) for n = 40331299 and 40331308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25091 + ... + 26649.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^40331330 is an apocalyptic number.

40331330 is a deficient number, since it is larger than the sum of its proper divisors (38292670).

40331330 is a wasteful number, since it uses less digits than its factorization.

40331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 40331330 is about 6350.6952375311. The cubic root of 40331330 is about 342.9368712567.

Adding to 40331330 its reverse (3313304), we get a palindrome (43644634).

The spelling of 40331330 in words is "forty million, three hundred thirty-one thousand, three hundred thirty".