254836642 has 8 divisors (see below), whose sum is σ = 398874816. Its totient is φ = 121878372.

The previous prime is 254836627. The next prime is 254836669. The reversal of 254836642 is 246638452.

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

It is a junction number, because it is equal to n+sod(n) for n = 254836595 and 254836604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769918 + ... + 2770009.

It is an arithmetic number, because the mean of its divisors is an integer number (49859352).

Almost surely, 2^254836642 is an apocalyptic number.

254836642 is a deficient number, since it is larger than the sum of its proper divisors (144038174).

254836642 is a wasteful number, since it uses less digits than its factorization.

254836642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539952.

The product of its digits is 276480, while the sum is 40.

The square root of 254836642 is about 15963.6036658394. The cubic root of 254836642 is about 633.9971290260.

The spelling of 254836642 in words is "two hundred fifty-four million, eight hundred thirty-six thousand, six hundred forty-two".