662648448 has 256 divisors, whose sum is σ = 2231792640. Its totient is φ = 169205760.

The previous prime is 662648431. The next prime is 662648449. The reversal of 662648448 is 844846266.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 662648397 and 662648406.

It is not an unprimeable number, because it can be changed into a prime (662648449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2158311 + ... + 2158617.

It is an arithmetic number, because the mean of its divisors is an integer number (8717940).

Almost surely, 2^662648448 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 662648448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115896320).

662648448 is an abundant number, since it is smaller than the sum of its proper divisors (1569144192).

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

662648448 is a wasteful number, since it uses less digits than its factorization.

662648448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 403 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 48.

The square root of 662648448 is about 25741.9588998196. The cubic root of 662648448 is about 871.8218079906.

The spelling of 662648448 in words is "six hundred sixty-two million, six hundred forty-eight thousand, four hundred forty-eight".