40064242242 has 64 divisors (see below), whose sum is σ = 83112873984. Its totient is φ = 12866810880.

The previous prime is 40064242237. The next prime is 40064242249. The reversal of 40064242242 is 24224246004.

It is not an unprimeable number, because it can be changed into a prime (40064242249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18959778 + ... + 18961890.

It is an arithmetic number, because the mean of its divisors is an integer number (1298638656).

Almost surely, 2^40064242242 is an apocalyptic number.

40064242242 is an abundant number, since it is smaller than the sum of its proper divisors (43048631742).

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

40064242242 is a wasteful number, since it uses less digits than its factorization.

40064242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183.

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

Adding to 40064242242 its reverse (24224246004), we get a palindrome (64288488246).

The spelling of 40064242242 in words is "forty billion, sixty-four million, two hundred forty-two thousand, two hundred forty-two".