40242012204042 has 96 divisors (see below), whose sum is σ = 103831950942720. Its totient is φ = 11552730747120.

The previous prime is 40242012203971. The next prime is 40242012204077. The reversal of 40242012204042 is 24040221024204.

40242012204042 is a `hidden beast` number, since 4 + 0 + 242 + 0 + 12 + 2 + 0 + 404 + 2 = 666.

It is a super-2 number, since 2×40242012204042² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40242012203997 and 40242012204015.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197990518 + ... + 198193665.

It is an arithmetic number, because the mean of its divisors is an integer number (1081582822320).

Almost surely, 2^{40242012204042} is an apocalyptic number.

40242012204042 is an abundant number, since it is smaller than the sum of its proper divisors (63589938738678).

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

40242012204042 is a wasteful number, since it uses less digits than its factorization.

40242012204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396184230 (or 396184218 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 40242012204042 its reverse (24040221024204), we get a palindrome (64282233228246).

The spelling of 40242012204042 in words is "forty trillion, two hundred forty-two billion, twelve million, two hundred four thousand, forty-two".