2642242064444 has 12 divisors (see below), whose sum is σ = 4689049297968. Its totient is φ = 1302513693600.

The previous prime is 2642242064443. The next prime is 2642242064461. The reversal of 2642242064444 is 4444602422462.

It is a junction number, because it is equal to n+sod(n) for n = 2642242064395 and 2642242064404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642242064443) 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, 4651834337 + ... + 4651834904.

It is an arithmetic number, because the mean of its divisors is an integer number (390754108164).

Almost surely, 2^{2642242064444} is an apocalyptic number.

It is an amenable number.

2642242064444 is a deficient number, since it is larger than the sum of its proper divisors (2046807233524).

2642242064444 is a wasteful number, since it uses less digits than its factorization.

2642242064444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303669316 (or 9303669314 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 44.

The spelling of 2642242064444 in words is "two trillion, six hundred forty-two billion, two hundred forty-two million, sixty-four thousand, four hundred forty-four".