249042466 has 8 divisors (see below), whose sum is σ = 373648320. Its totient is φ = 124493028.

The previous prime is 249042463. The next prime is 249042473. The reversal of 249042466 is 664240942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×249042466² = 124044299742722312, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 406 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (46706040).

Almost surely, 2^249042466 is an apocalyptic number.

249042466 is a deficient number, since it is larger than the sum of its proper divisors (124605854).

249042466 is a wasteful number, since it uses less digits than its factorization.

249042466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28208.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 249042466 is about 15781.0793673944. The cubic root of 249042466 is about 629.1552177636.

The spelling of 249042466 in words is "two hundred forty-nine million, forty-two thousand, four hundred sixty-six".