257455554752 has 28 divisors (see below), whose sum is σ = 557332764936. Its totient is φ = 117025251840.

The previous prime is 257455554751. The next prime is 257455554757.

257455554752 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (257455554751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182851253 + ... + 182852660.

Almost surely, 2^257455554752 is an apocalyptic number.

257455554752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

257455554752 is an abundant number, since it is smaller than the sum of its proper divisors (299877210184).

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

257455554752 is a wasteful number, since it uses less digits than its factorization.

257455554752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365703936 (or 365703926 counting only the distinct ones).

The product of its digits is 49000000, while the sum is 56.

The spelling of 257455554752 in words is "two hundred fifty-seven billion, four hundred fifty-five million, five hundred fifty-four thousand, seven hundred fifty-two".