257232413061042 has 32 divisors (see below), whose sum is σ = 514861831415808. Its totient is φ = 85677995471376.

The previous prime is 257232413060989. The next prime is 257232413061047. The reversal of 257232413061042 is 240160314232752.

It is a junction number, because it is equal to n+sod(n) for n = 257232413060985 and 257232413061003.

It is not an unprimeable number, because it can be changed into a prime (257232413061047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37485163 + ... + 43813265.

It is an arithmetic number, because the mean of its divisors is an integer number (16089432231744).

Almost surely, 2^{257232413061042} is an apocalyptic number.

257232413061042 is an abundant number, since it is smaller than the sum of its proper divisors (257629418354766).

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

257232413061042 is a wasteful number, since it uses less digits than its factorization.

257232413061042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333334.

The product of its (nonzero) digits is 483840, while the sum is 42.

Adding to 257232413061042 its reverse (240160314232752), we get a palindrome (497392727293794).

The spelling of 257232413061042 in words is "two hundred fifty-seven trillion, two hundred thirty-two billion, four hundred thirteen million, sixty-one thousand, forty-two".