40311221332 has 12 divisors (see below), whose sum is σ = 74257513120. Its totient is φ = 19094789016.

The previous prime is 40311221263. The next prime is 40311221383. The reversal of 40311221332 is 23312211304.

It is a congruent number.

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, 265205328 + ... + 265205479.

Almost surely, 2^40311221332 is an apocalyptic number.

It is an amenable number.

40311221332 is a deficient number, since it is larger than the sum of its proper divisors (33946291788).

40311221332 is a wasteful number, since it uses less digits than its factorization.

40311221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530410830 (or 530410828 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 40311221332 its reverse (23312211304), we get a palindrome (63623432636).

The spelling of 40311221332 in words is "forty billion, three hundred eleven million, two hundred twenty-one thousand, three hundred thirty-two".