40242431442 has 8 divisors (see below), whose sum is σ = 80484862896. Its totient is φ = 13414143812.

The previous prime is 40242431401. The next prime is 40242431443. The reversal of 40242431442 is 24413424204.

40242431442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40242431442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40242431443) 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, 3353535948 + ... + 3353535959.

It is an arithmetic number, because the mean of its divisors is an integer number (10060607862).

Almost surely, 2^40242431442 is an apocalyptic number.

40242431442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40242431442 is a wasteful number, since it uses less digits than its factorization.

40242431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707071912.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 40242431442 its reverse (24413424204), we get a palindrome (64655855646).

The spelling of 40242431442 in words is "forty billion, two hundred forty-two million, four hundred thirty-one thousand, four hundred forty-two".