4220052400040 has 16 divisors (see below), whose sum is σ = 9495117900180. Its totient is φ = 1688020960000.

The previous prime is 4220052400009. The next prime is 4220052400043. The reversal of 4220052400040 is 400042500224.

It can be written as a sum of positive squares in 2 ways, for example, as 4115209845604 + 104842554436 = 2028598^2 + 323794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4220052399979 and 4220052400015.

It is not an unprimeable number, because it can be changed into a prime (4220052400043) 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, 52750654961 + ... + 52750655040.

Almost surely, 2^{4220052400040} is an apocalyptic number.

4220052400040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220052400040 is an abundant number, since it is smaller than the sum of its proper divisors (5275065500140).

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

4220052400040 is a wasteful number, since it uses less digits than its factorization.

4220052400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105501310012 (or 105501310008 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 4220052400040 its reverse (400042500224), we get a palindrome (4620094900264).

The spelling of 4220052400040 in words is "four trillion, two hundred twenty billion, fifty-two million, four hundred thousand, forty".