4021344244242 has 48 divisors (see below), whose sum is σ = 9935085789720. Its totient is φ = 1164552178176.

The previous prime is 4021344244213. The next prime is 4021344244331. The reversal of 4021344244242 is 2424424431204.

4021344244242 is a `hidden beast` number, since 4 + 0 + 2 + 134 + 42 + 442 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3573313483041 + 448030761201 = 1890321^2 + 669351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4021344244197 and 4021344244206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505444017 + ... + 505451972.

Almost surely, 2^{4021344244242} is an apocalyptic number.

4021344244242 is an abundant number, since it is smaller than the sum of its proper divisors (5913741545478).

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

4021344244242 is a wasteful number, since it uses less digits than its factorization.

4021344244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010896027 (or 1010896024 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4021344244242 its reverse (2424424431204), we get a palindrome (6445768675446).

The spelling of 4021344244242 in words is "four trillion, twenty-one billion, three hundred forty-four million, two hundred forty-four thousand, two hundred forty-two".