254242633655 has 8 divisors (see below), whose sum is σ = 321148590000. Its totient is φ = 192689153856.

The previous prime is 254242633637. The next prime is 254242633661. The reversal of 254242633655 is 556336242452.

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 254242633655 - 2¹² = 254242629559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338119030 + ... + 1338119219.

It is an arithmetic number, because the mean of its divisors is an integer number (40143573750).

Almost surely, 2^254242633655 is an apocalyptic number.

254242633655 is a deficient number, since it is larger than the sum of its proper divisors (66905956345).

254242633655 is a wasteful number, since it uses less digits than its factorization.

254242633655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676238273.

The product of its digits is 5184000, while the sum is 47.

The spelling of 254242633655 in words is "two hundred fifty-four billion, two hundred forty-two million, six hundred thirty-three thousand, six hundred fifty-five".