248878540 has 24 divisors (see below), whose sum is σ = 539505792. Its totient is φ = 96339840.

The previous prime is 248878529. The next prime is 248878547. The reversal of 248878540 is 45878842.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (248878547) 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, 200089 + ... + 201328.

It is an arithmetic number, because the mean of its divisors is an integer number (22479408).

Almost surely, 2^248878540 is an apocalyptic number.

248878540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248878540 is an abundant number, since it is smaller than the sum of its proper divisors (290627252).

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

248878540 is a wasteful number, since it uses less digits than its factorization.

248878540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401457 (or 401455 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 248878540 is about 15775.8847612424. The cubic root of 248878540 is about 629.0171455480.

The spelling of 248878540 in words is "two hundred forty-eight million, eight hundred seventy-eight thousand, five hundred forty".