43404440312 has 32 divisors (see below), whose sum is σ = 83917950480. Its totient is φ = 21036188160.

The previous prime is 43404440311. The next prime is 43404440333. The reversal of 43404440312 is 21304440434.

It is a happy number.

43404440312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43404440311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581489 + ... + 651872.

Almost surely, 2^43404440312 is an apocalyptic number.

It is an amenable number.

43404440312 is a deficient number, since it is larger than the sum of its proper divisors (40513510168).

43404440312 is a wasteful number, since it uses less digits than its factorization.

43404440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233503 (or 1233499 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43404440312 its reverse (21304440434), we get a palindrome (64708880746).

The spelling of 43404440312 in words is "forty-three billion, four hundred four million, four hundred forty thousand, three hundred twelve".