43404334011 has 48 divisors (see below), whose sum is σ = 65837071872. Its totient is φ = 27502675200.

The previous prime is 43404334009. The next prime is 43404334067. The reversal of 43404334011 is 11043340434.

It is not a de Polignac number, because 43404334011 - 2¹ = 43404334009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43404334081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37065456 + ... + 37066626.

It is an arithmetic number, because the mean of its divisors is an integer number (1371605664).

Almost surely, 2^43404334011 is an apocalyptic number.

43404334011 is a deficient number, since it is larger than the sum of its proper divisors (22432737861).

43404334011 is a wasteful number, since it uses less digits than its factorization.

43404334011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43404334011 its reverse (11043340434), we get a palindrome (54447674445).

The spelling of 43404334011 in words is "forty-three billion, four hundred four million, three hundred thirty-four thousand, eleven".