248768357240 has 32 divisors (see below), whose sum is σ = 602784866880. Its totient is φ = 91852931712.

The previous prime is 248768357239. The next prime is 248768357297. The reversal of 248768357240 is 42753867842.

It is a congruent number.

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, 239199824 + ... + 239200863.

It is an arithmetic number, because the mean of its divisors is an integer number (18837027090).

Almost surely, 2^248768357240 is an apocalyptic number.

248768357240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248768357240 is an abundant number, since it is smaller than the sum of its proper divisors (354016509640).

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

248768357240 is a wasteful number, since it uses less digits than its factorization.

248768357240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478400711 (or 478400707 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 248768357240 in words is "two hundred forty-eight billion, seven hundred sixty-eight million, three hundred fifty-seven thousand, two hundred forty".