40444323412 has 24 divisors (see below), whose sum is σ = 73865707776. Its totient is φ = 19340094048.

The previous prime is 40444323341. The next prime is 40444323421. The reversal of 40444323412 is 21432344404.

40444323412 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682438 + ... + 739330.

It is an arithmetic number, because the mean of its divisors is an integer number (3077737824).

Almost surely, 2^40444323412 is an apocalyptic number.

It is an amenable number.

40444323412 is a deficient number, since it is larger than the sum of its proper divisors (33421384364).

40444323412 is a wasteful number, since it uses less digits than its factorization.

40444323412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64647 (or 64645 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40444323412 its reverse (21432344404), we get a palindrome (61876667816).

The spelling of 40444323412 in words is "forty billion, four hundred forty-four million, three hundred twenty-three thousand, four hundred twelve".