42240042440044 has 24 divisors (see below), whose sum is σ = 74966099570208. Its totient is φ = 20822812608000.

The previous prime is 42240042440041. The next prime is 42240042440047. The reversal of 42240042440044 is 44004424004224.

It is an interprime number because it is at equal distance from previous prime (42240042440041) and next prime (42240042440047).

It is a junction number, because it is equal to n+sod(n) for n = 42240042439991 and 42240042440009.

It is not an unprimeable number, because it can be changed into a prime (42240042440041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206867707 + ... + 207071794.

It is an arithmetic number, because the mean of its divisors is an integer number (3123587482092).

Almost surely, 2^{42240042440044} is an apocalyptic number.

It is an amenable number.

42240042440044 is a deficient number, since it is larger than the sum of its proper divisors (32726057130164).

42240042440044 is a wasteful number, since it uses less digits than its factorization.

42240042440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413939865 (or 413939863 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 42240042440044 its reverse (44004424004224), we get a palindrome (86244466444268).

The spelling of 42240042440044 in words is "forty-two trillion, two hundred forty billion, forty-two million, four hundred forty thousand, forty-four".