257673400010 has 16 divisors (see below), whose sum is σ = 499489975656. Its totient is φ = 95140947648.

The previous prime is 257673400009. The next prime is 257673400013. The reversal of 257673400010 is 10004376752.

It can be written as a sum of positive squares in 4 ways, for example, as 169375871809 + 88297528201 = 411553^2 + 297149^2 .

It is not an unprimeable number, because it can be changed into a prime (257673400013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991051409 + ... + 991051668.

Almost surely, 2^257673400010 is an apocalyptic number.

257673400010 is a deficient number, since it is larger than the sum of its proper divisors (241816575646).

257673400010 is a wasteful number, since it uses less digits than its factorization.

257673400010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982103097.

The product of its (nonzero) digits is 35280, while the sum is 35.

Adding to 257673400010 its reverse (10004376752), we get a palindrome (267677776762).

The spelling of 257673400010 in words is "two hundred fifty-seven billion, six hundred seventy-three million, four hundred thousand, ten".