4278262378512 has 40 divisors (see below), whose sum is σ = 11098421262720. Its totient is φ = 1420120562560.

The previous prime is 4278262378483. The next prime is 4278262378543. The reversal of 4278262378512 is 2158732628724.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186453939 + ... + 186476882.

It is an arithmetic number, because the mean of its divisors is an integer number (277460531568).

Almost surely, 2^{4278262378512} is an apocalyptic number.

It is an amenable number.

4278262378512 is an abundant number, since it is smaller than the sum of its proper divisors (6820158884208).

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

4278262378512 is a wasteful number, since it uses less digits than its factorization.

4278262378512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372931071 (or 372931065 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 57.

The spelling of 4278262378512 in words is "four trillion, two hundred seventy-eight billion, two hundred sixty-two million, three hundred seventy-eight thousand, five hundred twelve".