248540670 has 128 divisors (see below), whose sum is σ = 765158400. Its totient is φ = 56232576.

The previous prime is 248540639. The next prime is 248540687. The reversal of 248540670 is 76045842.

248540670 is a `hidden beast` number, since 2 + 48 + 540 + 6 + 70 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201616 + ... + 202844.

It is an arithmetic number, because the mean of its divisors is an integer number (5977800).

Almost surely, 2^248540670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248540670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382579200).

248540670 is an abundant number, since it is smaller than the sum of its proper divisors (516617730).

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

248540670 is a wasteful number, since it uses less digits than its factorization.

248540670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 248540670 is about 15765.1726917278. The cubic root of 248540670 is about 628.7323717402.

The spelling of 248540670 in words is "two hundred forty-eight million, five hundred forty thousand, six hundred seventy".