249042468 has 48 divisors (see below), whose sum is σ = 601735680. Its totient is φ = 80083200.

The previous prime is 249042463. The next prime is 249042473. The reversal of 249042468 is 864240942.

It is an interprime number because it is at equal distance from previous prime (249042463) and next prime (249042473).

It is not an unprimeable number, because it can be changed into a prime (249042461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143848 + ... + 145568.

It is an arithmetic number, because the mean of its divisors is an integer number (12536160).

Almost surely, 2^249042468 is an apocalyptic number.

It is an amenable number.

249042468 is an abundant number, since it is smaller than the sum of its proper divisors (352693212).

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

249042468 is a wasteful number, since it uses less digits than its factorization.

249042468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 249042468 is about 15781.0794307614. The cubic root of 249042468 is about 629.1552194478.

It can be divided in two parts, 24904 and 2468, that added together give a palindrome (27372).

The spelling of 249042468 in words is "two hundred forty-nine million, forty-two thousand, four hundred sixty-eight".