254740407655 has 8 divisors (see below), whose sum is σ = 315549408384. Its totient is φ = 197218380000.

The previous prime is 254740407643. The next prime is 254740407659. The reversal of 254740407655 is 556704047452.

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

It is not a de Polignac number, because 254740407655 - 2¹⁵ = 254740374887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254740407599 and 254740407608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254740407659) 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, 821743096 + ... + 821743405.

It is an arithmetic number, because the mean of its divisors is an integer number (39443676048).

Almost surely, 2^254740407655 is an apocalyptic number.

254740407655 is a deficient number, since it is larger than the sum of its proper divisors (60809000729).

254740407655 is a wasteful number, since it uses less digits than its factorization.

254740407655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643486537.

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 254740407655 in words is "two hundred fifty-four billion, seven hundred forty million, four hundred seven thousand, six hundred fifty-five".