40120320332 has 12 divisors (see below), whose sum is σ = 70241767176. Its totient is φ = 20051244000.

The previous prime is 40120320329. The next prime is 40120320341. The reversal of 40120320332 is 23302302104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218913 + ... + 2236920.

It is an arithmetic number, because the mean of its divisors is an integer number (5853480598).

Almost surely, 2^40120320332 is an apocalyptic number.

It is an amenable number.

40120320332 is a deficient number, since it is larger than the sum of its proper divisors (30121446844).

40120320332 is a wasteful number, since it uses less digits than its factorization.

40120320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458088 (or 4458086 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40120320332 its reverse (23302302104), we get a palindrome (63422622436).

The spelling of 40120320332 in words is "forty billion, one hundred twenty million, three hundred twenty thousand, three hundred thirty-two".