248491880 has 128 divisors (see below), whose sum is σ = 724550400. Its totient is φ = 74483712.

The previous prime is 248491871. The next prime is 248491909. The reversal of 248491880 is 88194842.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67364 + ... + 70956.

It is an arithmetic number, because the mean of its divisors is an integer number (5660550).

Almost surely, 2^248491880 is an apocalyptic number.

248491880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248491880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362275200).

248491880 is an abundant number, since it is smaller than the sum of its proper divisors (476058520).

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

248491880 is a wasteful number, since it uses less digits than its factorization.

248491880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 248491880 is about 15763.6252175697. The cubic root of 248491880 is about 628.6912277564.

The spelling of 248491880 in words is "two hundred forty-eight million, four hundred ninety-one thousand, eight hundred eighty".