248452540 has 72 divisors (see below), whose sum is σ = 617364720. Its totient is φ = 83720448.

The previous prime is 248452517. The next prime is 248452543. The reversal of 248452540 is 45254842.

It is a junction number, because it is equal to n+sod(n) for n = 248452496 and 248452505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248452543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55672 + ... + 59968.

It is an arithmetic number, because the mean of its divisors is an integer number (8574510).

Almost surely, 2^248452540 is an apocalyptic number.

248452540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248452540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308682360).

248452540 is an abundant number, since it is smaller than the sum of its proper divisors (368912180).

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

248452540 is a wasteful number, since it uses less digits than its factorization.

248452540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 248452540 is about 15762.3773587616. The cubic root of 248452540 is about 628.6580489148.

The spelling of 248452540 in words is "two hundred forty-eight million, four hundred fifty-two thousand, five hundred forty".