254028478 has 8 divisors (see below), whose sum is σ = 415683000. Its totient is φ = 115467480.

The previous prime is 254028469. The next prime is 254028479. The reversal of 254028478 is 874820452.

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

It is a self number, because there is not a number n which added to its sum of digits gives 254028478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254028479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773353 + ... + 5773396.

It is an arithmetic number, because the mean of its divisors is an integer number (51960375).

Almost surely, 2^254028478 is an apocalyptic number.

254028478 is a deficient number, since it is larger than the sum of its proper divisors (161654522).

254028478 is a wasteful number, since it uses less digits than its factorization.

254028478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11546762.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 254028478 is about 15938.2708597890. The cubic root of 254028478 is about 633.3262204803.

The spelling of 254028478 in words is "two hundred fifty-four million, twenty-eight thousand, four hundred seventy-eight".