254028978 has 48 divisors (see below), whose sum is σ = 630317376. Its totient is φ = 72430560.

The previous prime is 254028967. The next prime is 254029001. The reversal of 254028978 is 879820452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69148 + ... + 72728.

It is an arithmetic number, because the mean of its divisors is an integer number (13131612).

Almost surely, 2^254028978 is an apocalyptic number.

254028978 is an abundant number, since it is smaller than the sum of its proper divisors (376288398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254028978 is a wasteful number, since it uses less digits than its factorization.

254028978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159 (or 4156 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 254028978 is about 15938.2865452971. The cubic root of 254028978 is about 633.3266360018.

The spelling of 254028978 in words is "two hundred fifty-four million, twenty-eight thousand, nine hundred seventy-eight".