275640226642 has 16 divisors (see below), whose sum is σ = 454775314464. Its totient is φ = 125291010900.

The previous prime is 275640226639. The next prime is 275640226651. The reversal of 275640226642 is 246622046572.

It is a happy number.

275640226642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 275640226592 and 275640226601.

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, 51770484 + ... + 51775807.

It is an arithmetic number, because the mean of its divisors is an integer number (28423457154).

Almost surely, 2^275640226642 is an apocalyptic number.

275640226642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

275640226642 is a deficient number, since it is larger than the sum of its proper divisors (179135087822).

275640226642 is a wasteful number, since it uses less digits than its factorization.

275640226642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103546326 (or 103546304 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 275640226642 in words is "two hundred seventy-five billion, six hundred forty million, two hundred twenty-six thousand, six hundred forty-two".