248388240 has 40 divisors (see below), whose sum is σ = 770004288. Its totient is φ = 66236800.

The previous prime is 248388227. The next prime is 248388269. The reversal of 248388240 is 42883842.

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

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 517236 + ... + 517715.

Almost surely, 2^248388240 is an apocalyptic number.

248388240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248388240 is an abundant number, since it is smaller than the sum of its proper divisors (521616048).

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

248388240 is a wasteful number, since it uses less digits than its factorization.

248388240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034967 (or 1034961 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 248388240 is about 15760.3375598367. The cubic root of 248388240 is about 628.6038115941.

The spelling of 248388240 in words is "two hundred forty-eight million, three hundred eighty-eight thousand, two hundred forty".