40424442042 has 16 divisors (see below), whose sum is σ = 81872288640. Its totient is φ = 13304246592.

The previous prime is 40424442007. The next prime is 40424442043. The reversal of 40424442042 is 24024442404.

It is not an unprimeable number, because it can be changed into a prime (40424442043) 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 7 ways as a sum of consecutive naturals, for example, 42641343 + ... + 42642290.

It is an arithmetic number, because the mean of its divisors is an integer number (5117018040).

Almost surely, 2^40424442042 is an apocalyptic number.

40424442042 is an abundant number, since it is smaller than the sum of its proper divisors (41447846598).

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

40424442042 is a wasteful number, since it uses less digits than its factorization.

40424442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85283717.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 40424442042 its reverse (24024442404), we get a palindrome (64448884446).

The spelling of 40424442042 in words is "forty billion, four hundred twenty-four million, four hundred forty-two thousand, forty-two".