7442239478336 has 56 divisors (see below), whose sum is σ = 15945094434360. Its totient is φ = 3426049585152.

The previous prime is 7442239478299. The next prime is 7442239478371. The reversal of 7442239478336 is 6338749322447.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 230092902400 + 7212146575936 = 479680^2 + 2685544^2 .

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, 11173781 + ... + 11821076.

It is an arithmetic number, because the mean of its divisors is an integer number (284733829185).

Almost surely, 2^{7442239478336} is an apocalyptic number.

It is an amenable number.

7442239478336 is an abundant number, since it is smaller than the sum of its proper divisors (8502854956024).

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

7442239478336 is a wasteful number, since it uses less digits than its factorization.

7442239478336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22995271 (or 22995261 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 62.

The spelling of 7442239478336 in words is "seven trillion, four hundred forty-two billion, two hundred thirty-nine million, four hundred seventy-eight thousand, three hundred thirty-six".