40440344324 has 12 divisors (see below), whose sum is σ = 70789771164. Its totient is φ = 20214695424.

The previous prime is 40440344317. The next prime is 40440344341. The reversal of 40440344324 is 42344304404.

40440344324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22994689600 + 17445654724 = 151640^2 + 132082^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352549 + ... + 1382124.

It is an arithmetic number, because the mean of its divisors is an integer number (5899147597).

Almost surely, 2^40440344324 is an apocalyptic number.

It is an amenable number.

40440344324 is a deficient number, since it is larger than the sum of its proper divisors (30349426840).

40440344324 is a wasteful number, since it uses less digits than its factorization.

40440344324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738374 (or 2738372 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 40440344324 its reverse (42344304404), we get a palindrome (82784648728).

The spelling of 40440344324 in words is "forty billion, four hundred forty million, three hundred forty-four thousand, three hundred twenty-four".