254540448765 has 12 divisors (see below), whose sum is σ = 441203444604. Its totient is φ = 135754905984.

The previous prime is 254540448751. The next prime is 254540448847. The reversal of 254540448765 is 567844045452.

254540448765 is a `hidden beast` number, since 2 + 54 + 54 + 0 + 4 + 487 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127367616996 + 127172831769 = 356886^2 + 356613^2 .

It is not a de Polignac number, because 254540448765 - 2⁴ = 254540448749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2828227164 + ... + 2828227253.

It is an arithmetic number, because the mean of its divisors is an integer number (36766953717).

Almost surely, 2^254540448765 is an apocalyptic number.

It is an amenable number.

254540448765 is a deficient number, since it is larger than the sum of its proper divisors (186662995839).

254540448765 is a wasteful number, since it uses less digits than its factorization.

254540448765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656454428 (or 5656454425 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 54.

The spelling of 254540448765 in words is "two hundred fifty-four billion, five hundred forty million, four hundred forty-eight thousand, seven hundred sixty-five".