40424242132 has 12 divisors (see below), whose sum is σ = 74903742900. Its totient is φ = 19023172736.

The previous prime is 40424242127. The next prime is 40424242151. The reversal of 40424242132 is 23124242404.

It can be written as a sum of positive squares in 2 ways, for example, as 32222404036 + 8201838096 = 179506^2 + 90564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40424242132.

It is a congruent number.

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, 297237007 + ... + 297237142.

It is an arithmetic number, because the mean of its divisors is an integer number (6241978575).

Almost surely, 2^40424242132 is an apocalyptic number.

It is an amenable number.

40424242132 is a deficient number, since it is larger than the sum of its proper divisors (34479500768).

40424242132 is a wasteful number, since it uses less digits than its factorization.

40424242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594474170 (or 594474168 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40424242132 its reverse (23124242404), we get a palindrome (63548484536).

The spelling of 40424242132 in words is "forty billion, four hundred twenty-four million, two hundred forty-two thousand, one hundred thirty-two".