40042404042044 has 12 divisors (see below), whose sum is σ = 70074894661800. Its totient is φ = 20021005567248.

The previous prime is 40042404042031. The next prime is 40042404042071. The reversal of 40042404042044 is 44024040424004.

It is a self number, because there is not a number n which added to its sum of digits gives 40042404042044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48654359 + ... + 49470510.

It is an arithmetic number, because the mean of its divisors is an integer number (5839574555150).

Almost surely, 2^{40042404042044} is an apocalyptic number.

It is an amenable number.

40042404042044 is a deficient number, since it is larger than the sum of its proper divisors (30032490619756).

40042404042044 is a wasteful number, since it uses less digits than its factorization.

40042404042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98226892 (or 98226890 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40042404042044 its reverse (44024040424004), we get a palindrome (84066444466048).

The spelling of 40042404042044 in words is "forty trillion, forty-two billion, four hundred four million, forty-two thousand, forty-four".