40042402020044 has 6 divisors (see below), whose sum is σ = 70074203535084. Its totient is φ = 20021201010020.

The previous prime is 40042402020043. The next prime is 40042402020073. The reversal of 40042402020044 is 44002020424004.

40042402020044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40042402019995 and 40042402020022.

It is not an unprimeable number, because it can be changed into a prime (40042402020043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005300252502 + ... + 5005300252509.

It is an arithmetic number, because the mean of its divisors is an integer number (11679033922514).

Almost surely, 2^{40042402020044} is an apocalyptic number.

It is an amenable number.

40042402020044 is a deficient number, since it is larger than the sum of its proper divisors (30031801515040).

40042402020044 is a wasteful number, since it uses less digits than its factorization.

40042402020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010600505015 (or 10010600505013 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40042402020044 its reverse (44002020424004), we get a palindrome (84044422444048).

The spelling of 40042402020044 in words is "forty trillion, forty-two billion, four hundred two million, twenty thousand, forty-four".