255724457463 has 6 divisors (see below), whose sum is σ = 369379771904. Its totient is φ = 170482971636.

The previous prime is 255724457459. The next prime is 255724457491. The reversal of 255724457463 is 364754427552.

255724457463 is a `hidden beast` number, since 2 + 5 + 5 + 7 + 2 + 4 + 4 + 574 + 63 = 666.

It is not a de Polignac number, because 255724457463 - 2² = 255724457459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255724457413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14206914295 + ... + 14206914312.

Almost surely, 2^255724457463 is an apocalyptic number.

255724457463 is a deficient number, since it is larger than the sum of its proper divisors (113655314441).

255724457463 is a wasteful number, since it uses less digits than its factorization.

255724457463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28413828613 (or 28413828610 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 54.

The spelling of 255724457463 in words is "two hundred fifty-five billion, seven hundred twenty-four million, four hundred fifty-seven thousand, four hundred sixty-three".