2404042266840 has 256 divisors, whose sum is σ = 7987073472000. Its totient is φ = 576508907520.

The previous prime is 2404042266839. The next prime is 2404042266851. The reversal of 2404042266840 is 486622404042.

It is a junction number, because it is equal to n+sod(n) for n = 2404042266792 and 2404042266801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3111231 + ... + 3806289.

It is an arithmetic number, because the mean of its divisors is an integer number (31199505750).

Almost surely, 2^{2404042266840} is an apocalyptic number.

2404042266840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404042266840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3993536736000).

2404042266840 is an abundant number, since it is smaller than the sum of its proper divisors (5583031205160).

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

2404042266840 is a wasteful number, since it uses less digits than its factorization.

2404042266840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695170 (or 695166 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 2404042266840 in words is "two trillion, four hundred four billion, forty-two million, two hundred sixty-six thousand, eight hundred forty".