248660381720 has 32 divisors (see below), whose sum is σ = 559502287920. Its totient is φ = 99461232000.

The previous prime is 248660381701. The next prime is 248660381779. The reversal of 248660381720 is 27183066842.

It is a super-2 number, since 2×248660381720² (a number of 24 digits) contains 22 as substring.

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, 1743095 + ... + 1880345.

Almost surely, 2^248660381720 is an apocalyptic number.

248660381720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248660381720 is an abundant number, since it is smaller than the sum of its proper divisors (310841906200).

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

248660381720 is a wasteful number, since it uses less digits than its factorization.

248660381720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182555 (or 182551 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 248660381720 in words is "two hundred forty-eight billion, six hundred sixty million, three hundred eighty-one thousand, seven hundred twenty".