40042024420042 has 32 divisors (see below), whose sum is σ = 60473373001920. Its totient is φ = 19884409286400.

The previous prime is 40042024420039. The next prime is 40042024420049. The reversal of 40042024420042 is 24002442024004.

It is not an unprimeable number, because it can be changed into a prime (40042024420049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3642496498 + ... + 3642507490.

It is an arithmetic number, because the mean of its divisors is an integer number (1889792906310).

Almost surely, 2^{40042024420042} is an apocalyptic number.

40042024420042 is a deficient number, since it is larger than the sum of its proper divisors (20431348581878).

40042024420042 is a wasteful number, since it uses less digits than its factorization.

40042024420042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17878.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40042024420042 its reverse (24002442024004), we get a palindrome (64044466444046).

The spelling of 40042024420042 in words is "forty trillion, forty-two billion, twenty-four million, four hundred twenty thousand, forty-two".