250255052778 has 16 divisors (see below), whose sum is σ = 516655593216. Its totient is φ = 80727436320.

The previous prime is 250255052771. The next prime is 250255052779. The reversal of 250255052778 is 877250552052.

It is not an unprimeable number, because it can be changed into a prime (250255052771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672728451 + ... + 672728822.

It is an arithmetic number, because the mean of its divisors is an integer number (32290974576).

Almost surely, 2^250255052778 is an apocalyptic number.

250255052778 is an abundant number, since it is smaller than the sum of its proper divisors (266400540438).

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

250255052778 is a wasteful number, since it uses less digits than its factorization.

250255052778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345457309.

The product of its (nonzero) digits is 1960000, while the sum is 48.

The spelling of 250255052778 in words is "two hundred fifty billion, two hundred fifty-five million, fifty-two thousand, seven hundred seventy-eight".