662642250 has 64 divisors (see below), whose sum is σ = 1698727680. Its totient is φ = 171921600.

The previous prime is 662642249. The next prime is 662642263. The reversal of 662642250 is 52246266.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15811 + ... + 39689.

It is an arithmetic number, because the mean of its divisors is an integer number (26542620).

Almost surely, 2^662642250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662642250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849363840).

662642250 is an abundant number, since it is smaller than the sum of its proper divisors (1036085430).

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

662642250 is a wasteful number, since it uses less digits than its factorization.

662642250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23936 (or 23926 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 662642250 is about 25741.8385124295. The cubic root of 662642250 is about 871.8190898231.

The spelling of 662642250 in words is "six hundred sixty-two million, six hundred forty-two thousand, two hundred fifty".