662622400 has 84 divisors (see below), whose sum is σ = 1778736600. Its totient is φ = 240947200.

The previous prime is 662622383. The next prime is 662622407. The reversal of 662622400 is 4226266.

662622400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (662622407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1225 + ... + 36424.

Almost surely, 2^662622400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662622400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889368300).

662622400 is an abundant number, since it is smaller than the sum of its proper divisors (1116114200).

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

662622400 is a wasteful number, since it uses less digits than its factorization.

662622400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37682 (or 37667 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 662622400 is about 25741.4529504455. The cubic root of 662622400 is about 871.8103843808.

Adding to 662622400 its reverse (4226266), we get a palindrome (666848666).

The spelling of 662622400 in words is "six hundred sixty-two million, six hundred twenty-two thousand, four hundred".