248918040 has 288 divisors, whose sum is σ = 957134880. Its totient is φ = 55931904.

The previous prime is 248918023. The next prime is 248918057. The reversal of 248918040 is 40819842.

It is an interprime number because it is at equal distance from previous prime (248918023) and next prime (248918057).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 248917986 and 248918004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1816852 + ... + 1816988.

It is an arithmetic number, because the mean of its divisors is an integer number (3323385).

Almost surely, 2^248918040 is an apocalyptic number.

248918040 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 248918040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478567440).

248918040 is an abundant number, since it is smaller than the sum of its proper divisors (708216840).

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

248918040 is a wasteful number, since it uses less digits than its factorization.

248918040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 248918040 is about 15777.1366223406. The cubic root of 248918040 is about 629.0504213016.

The spelling of 248918040 in words is "two hundred forty-eight million, nine hundred eighteen thousand, forty".