40042044400404 has 24 divisors (see below), whose sum is σ = 93686018516608. Its totient is φ = 13310979336000.

The previous prime is 40042044400333. The next prime is 40042044400441. The reversal of 40042044400404 is 40400444024004.

It is a congruent number.

It is an unprimeable number.

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, 4546095097 + ... + 4546103904.

Almost surely, 2^{40042044400404} is an apocalyptic number.

It is an amenable number.

40042044400404 is an abundant number, since it is smaller than the sum of its proper divisors (53643974116204).

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

40042044400404 is a wasteful number, since it uses less digits than its factorization.

40042044400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092199375 (or 9092199373 counting only the distinct ones).

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

Adding to 40042044400404 its reverse (40400444024004), we get a palindrome (80442488424408).

The spelling of 40042044400404 in words is "forty trillion, forty-two billion, forty-four million, four hundred thousand, four hundred four".