40220340042 has 16 divisors (see below), whose sum is σ = 80576337600. Its totient is φ = 13384170432.

The previous prime is 40220340011. The next prime is 40220340047. The reversal of 40220340042 is 24004302204.

It is not an unprimeable number, because it can be changed into a prime (40220340047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5648542 + ... + 5655657.

It is an arithmetic number, because the mean of its divisors is an integer number (5036021100).

Almost surely, 2^40220340042 is an apocalyptic number.

40220340042 is an abundant number, since it is smaller than the sum of its proper divisors (40355997558).

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

40220340042 is a wasteful number, since it uses less digits than its factorization.

40220340042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304797.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40220340042 its reverse (24004302204), we get a palindrome (64224642246).

The spelling of 40220340042 in words is "forty billion, two hundred twenty million, three hundred forty thousand, forty-two".