40042042224044 has 12 divisors (see below), whose sum is σ = 80084084448144. Its totient is φ = 17160875238864.

The previous prime is 40042042223983. The next prime is 40042042224047. The reversal of 40042042224044 is 44042224024004.

40042042224044 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40042042224044.

It is not an unprimeable number, because it can be changed into a prime (40042042224047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715036468259 + ... + 715036468314.

It is an arithmetic number, because the mean of its divisors is an integer number (6673673704012).

Almost surely, 2^{40042042224044} is an apocalyptic number.

It is an amenable number.

40042042224044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40042042224044 is a wasteful number, since it uses less digits than its factorization.

40042042224044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430072936584 (or 1430072936582 counting only the distinct ones).

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

Adding to 40042042224044 its reverse (44042224024004), we get a palindrome (84084266248048).

The spelling of 40042042224044 in words is "forty trillion, forty-two billion, forty-two million, two hundred twenty-four thousand, forty-four".