257042552323246 has 32 divisors (see below), whose sum is σ = 411166921858560. Its totient is φ = 120166923390336.

The previous prime is 257042552323231. The next prime is 257042552323253. The reversal of 257042552323246 is 642323255240752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 257042552323193 and 257042552323202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38626486 + ... + 44789401.

It is an arithmetic number, because the mean of its divisors is an integer number (12848966308080).

Almost surely, 2^{257042552323246} is an apocalyptic number.

257042552323246 is a deficient number, since it is larger than the sum of its proper divisors (154124369535314).

257042552323246 is a wasteful number, since it uses less digits than its factorization.

257042552323246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83416968.

The product of its (nonzero) digits is 24192000, while the sum is 52.

The spelling of 257042552323246 in words is "two hundred fifty-seven trillion, forty-two billion, five hundred fifty-two million, three hundred twenty-three thousand, two hundred forty-six".