2442640260444 has 12 divisors (see below), whose sum is σ = 5699493941064. Its totient is φ = 814213420144.

The previous prime is 2442640260371. The next prime is 2442640260449. The reversal of 2442640260444 is 4440620462442.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2442640260396 and 2442640260405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442640260449) 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, 101776677507 + ... + 101776677530.

It is an arithmetic number, because the mean of its divisors is an integer number (474957828422).

Almost surely, 2^{2442640260444} is an apocalyptic number.

It is an amenable number.

2442640260444 is an abundant number, since it is smaller than the sum of its proper divisors (3256853680620).

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

2442640260444 is a wasteful number, since it uses less digits than its factorization.

2442640260444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203553355044 (or 203553355042 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 42.

The spelling of 2442640260444 in words is "two trillion, four hundred forty-two billion, six hundred forty million, two hundred sixty thousand, four hundred forty-four".