257267542071412 has 18 divisors (see below), whose sum is σ = 460931882110098. Its totient is φ = 125642287984752.

The previous prime is 257267542071403. The next prime is 257267542071433. The reversal of 257267542071412 is 214170245762752.

It can be written as a sum of positive squares in only one way, i.e., 219493291873636 + 37774250197776 = 14815306^2 + 6146076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17392335903 + ... + 17392350694.

Almost surely, 2^{257267542071412} is an apocalyptic number.

It is an amenable number.

257267542071412 is a deficient number, since it is larger than the sum of its proper divisors (203664340038686).

257267542071412 is a wasteful number, since it uses less digits than its factorization.

257267542071412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34784686687 (or 34784686642 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 257267542071412 in words is "two hundred fifty-seven trillion, two hundred sixty-seven billion, five hundred forty-two million, seventy-one thousand, four hundred twelve".