40221432311 has 4 divisors (see below), whose sum is σ = 40221838800. Its totient is φ = 40221025824.

The previous prime is 40221432301. The next prime is 40221432313. The reversal of 40221432311 is 11323412204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40221432311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221432313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52175 + ... + 288383.

It is an arithmetic number, because the mean of its divisors is an integer number (10055459700).

Almost surely, 2^40221432311 is an apocalyptic number.

40221432311 is a deficient number, since it is larger than the sum of its proper divisors (406489).

40221432311 is a wasteful number, since it uses less digits than its factorization.

40221432311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406488.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40221432311 its reverse (11323412204), we get a palindrome (51544844515).

The spelling of 40221432311 in words is "forty billion, two hundred twenty-one million, four hundred thirty-two thousand, three hundred eleven".