257001023226 has 32 divisors (see below), whose sum is σ = 533160492480. Its totient is φ = 82528516224.

The previous prime is 257001023173. The next prime is 257001023231. The reversal of 257001023226 is 622320100752.

257001023226 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 = 257001023193 and 257001023202.

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, 6803961 + ... + 6841628.

It is an arithmetic number, because the mean of its divisors is an integer number (16661265390).

Almost surely, 2^257001023226 is an apocalyptic number.

257001023226 is an abundant number, since it is smaller than the sum of its proper divisors (276159469254).

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

257001023226 is a wasteful number, since it uses less digits than its factorization.

257001023226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645710.

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 257001023226 its reverse (622320100752), we get a palindrome (879321123978).

The spelling of 257001023226 in words is "two hundred fifty-seven billion, one million, twenty-three thousand, two hundred twenty-six".