249770466 has 96 divisors (see below), whose sum is σ = 644716800. Its totient is φ = 71675280.

The previous prime is 249770419. The next prime is 249770491. The reversal of 249770466 is 664077942.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100345 + ... + 102803.

It is an arithmetic number, because the mean of its divisors is an integer number (6715800).

Almost surely, 2^249770466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249770466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322358400).

249770466 is an abundant number, since it is smaller than the sum of its proper divisors (394946334).

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

249770466 is a wasteful number, since it uses less digits than its factorization.

249770466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 249770466 is about 15804.1281315990. The cubic root of 249770466 is about 629.7676694340.

The spelling of 249770466 in words is "two hundred forty-nine million, seven hundred seventy thousand, four hundred sixty-six".