248188512 has 192 divisors, whose sum is σ = 777288960. Its totient is φ = 68352000.

The previous prime is 248188481. The next prime is 248188517. The reversal of 248188512 is 215881842.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248188517) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1386439 + ... + 1386617.

It is an arithmetic number, because the mean of its divisors is an integer number (4048380).

Almost surely, 2^248188512 is an apocalyptic number.

248188512 is a gapful number since it is divisible by the number (22) 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 248188512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388644480).

248188512 is an abundant number, since it is smaller than the sum of its proper divisors (529100448).

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

248188512 is a wasteful number, since it uses less digits than its factorization.

248188512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 309 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 248188512 is about 15753.9998730481. Note that the first 3 decimals coincide. The cubic root of 248188512 is about 628.4352804693.

The spelling of 248188512 in words is "two hundred forty-eight million, one hundred eighty-eight thousand, five hundred twelve".