248511280 has 40 divisors (see below), whose sum is σ = 583110000. Its totient is φ = 98489088.

The previous prime is 248511227. The next prime is 248511299. The reversal of 248511280 is 82115842.

It is a tau number, because it is divible by the number of its divisors (40).

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, 5530 + ... + 22969.

It is an arithmetic number, because the mean of its divisors is an integer number (14577750).

Almost surely, 2^248511280 is an apocalyptic number.

248511280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248511280 is an abundant number, since it is smaller than the sum of its proper divisors (334598720).

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

248511280 is a wasteful number, since it uses less digits than its factorization.

248511280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28621 (or 28615 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 248511280 is about 15764.2405462490. The cubic root of 248511280 is about 628.7075881735.

The spelling of 248511280 in words is "two hundred forty-eight million, five hundred eleven thousand, two hundred eighty".