254740407645 has 8 divisors (see below), whose sum is σ = 407584652256. Its totient is φ = 135861550736.

The previous prime is 254740407643. The next prime is 254740407659. The reversal of 254740407645 is 546704047452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254740407645 - 2¹ = 254740407643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254740407594 and 254740407603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254740407641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8491346907 + ... + 8491346936.

It is an arithmetic number, because the mean of its divisors is an integer number (50948081532).

Almost surely, 2^254740407645 is an apocalyptic number.

It is an amenable number.

254740407645 is a deficient number, since it is larger than the sum of its proper divisors (152844244611).

254740407645 is a wasteful number, since it uses less digits than its factorization.

254740407645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16982693851.

The product of its (nonzero) digits is 3763200, while the sum is 48.

The spelling of 254740407645 in words is "two hundred fifty-four billion, seven hundred forty million, four hundred seven thousand, six hundred forty-five".