4042111133440 has 72 divisors (see below), whose sum is σ = 9758356876800. Its totient is φ = 1604113330176.

The previous prime is 4042111133393. The next prime is 4042111133471. The reversal of 4042111133440 is 443311112404.

It is a junction number, because it is equal to n+sod(n) for n = 4042111133399 and 4042111133408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12270115 + ... + 12595234.

It is an arithmetic number, because the mean of its divisors is an integer number (135532734400).

Almost surely, 2^{4042111133440} is an apocalyptic number.

4042111133440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4042111133440 is an abundant number, since it is smaller than the sum of its proper divisors (5716245743360).

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

4042111133440 is a wasteful number, since it uses less digits than its factorization.

4042111133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24865497 (or 24865483 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 4042111133440 its reverse (443311112404), we get a palindrome (4485422245844).

The spelling of 4042111133440 in words is "four trillion, forty-two billion, one hundred eleven million, one hundred thirty-three thousand, four hundred forty".