40344004132 has 12 divisors (see below), whose sum is σ = 70603456140. Its totient is φ = 20171588096.

The previous prime is 40344004109. The next prime is 40344004133. The reversal of 40344004132 is 23140044304.

It can be written as a sum of positive squares in 2 ways, for example, as 4507242496 + 35836761636 = 67136^2 + 189306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40344004097 and 40344004106.

It is not an unprimeable number, because it can be changed into a prime (40344004133) 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, 249744 + ... + 378232.

It is an arithmetic number, because the mean of its divisors is an integer number (5883621345).

Almost surely, 2^40344004132 is an apocalyptic number.

It is an amenable number.

40344004132 is a deficient number, since it is larger than the sum of its proper divisors (30259452008).

40344004132 is a wasteful number, since it uses less digits than its factorization.

40344004132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206990 (or 206988 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40344004132 its reverse (23140044304), we get a palindrome (63484048436).

The spelling of 40344004132 in words is "forty billion, three hundred forty-four million, four thousand, one hundred thirty-two".