40013232242 has 4 divisors (see below), whose sum is σ = 60019848366. Its totient is φ = 20006616120.

The previous prime is 40013232239. The next prime is 40013232257. The reversal of 40013232242 is 24223231004.

40013232242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39991600441 + 21631801 = 199979^2 + 4651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003308059 + ... + 10003308062.

Almost surely, 2^40013232242 is an apocalyptic number.

40013232242 is a deficient number, since it is larger than the sum of its proper divisors (20006616124).

40013232242 is a wasteful number, since it uses less digits than its factorization.

40013232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006616123.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40013232242 its reverse (24223231004), we get a palindrome (64236463246).

The spelling of 40013232242 in words is "forty billion, thirteen million, two hundred thirty-two thousand, two hundred forty-two".