248402540 has 24 divisors (see below), whose sum is σ = 522873792. Its totient is φ = 99127040.

The previous prime is 248402537. The next prime is 248402543. The reversal of 248402540 is 45204842.

It is an interprime number because it is at equal distance from previous prime (248402537) and next prime (248402543).

It is not an unprimeable number, because it can be changed into a prime (248402543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5789 + ... + 23028.

It is an arithmetic number, because the mean of its divisors is an integer number (21786408).

Almost surely, 2^248402540 is an apocalyptic number.

248402540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248402540 is an abundant number, since it is smaller than the sum of its proper divisors (274471252).

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

248402540 is a wasteful number, since it uses less digits than its factorization.

248402540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29257 (or 29255 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 248402540 is about 15760.7912237933. The cubic root of 248402540 is about 628.6158745136.

The spelling of 248402540 in words is "two hundred forty-eight million, four hundred two thousand, five hundred forty".