40243144232 has 8 divisors (see below), whose sum is σ = 75455895450. Its totient is φ = 20121572112.

The previous prime is 40243144219. The next prime is 40243144267. The reversal of 40243144232 is 23244134204.

40243144232 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 only one way, i.e., 40242767236 + 376996 = 200606^2 + 614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40243144195 and 40243144204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515196507 + ... + 2515196522.

Almost surely, 2^40243144232 is an apocalyptic number.

It is an amenable number.

40243144232 is a deficient number, since it is larger than the sum of its proper divisors (35212751218).

40243144232 is a wasteful number, since it uses less digits than its factorization.

40243144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030393035 (or 5030393031 counting only the distinct ones).

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

Adding to 40243144232 its reverse (23244134204), we get a palindrome (63487278436).

The spelling of 40243144232 in words is "forty billion, two hundred forty-three million, one hundred forty-four thousand, two hundred thirty-two".