248065780 has 24 divisors (see below), whose sum is σ = 523183752. Its totient is φ = 98798592.

The previous prime is 248065759. The next prime is 248065861. The reversal of 248065780 is 87560842.

It can be written as a sum of positive squares in 4 ways, for example, as 4892944 + 243172836 = 2212^2 + 15594^2 .

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, 21957 + ... + 31276.

It is an arithmetic number, because the mean of its divisors is an integer number (21799323).

Almost surely, 2^248065780 is an apocalyptic number.

248065780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248065780 is an abundant number, since it is smaller than the sum of its proper divisors (275117972).

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

248065780 is a wasteful number, since it uses less digits than its factorization.

248065780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53475 (or 53473 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 248065780 is about 15750.1041266399. The cubic root of 248065780 is about 628.3316739600.

The spelling of 248065780 in words is "two hundred forty-eight million, sixty-five thousand, seven hundred eighty".