1406603648 has 32 divisors (see below), whose sum is σ = 2815552920. Its totient is φ = 699955200.

The previous prime is 1406603633. The next prime is 1406603651. The reversal of 1406603648 is 8463066041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 53048.

Almost surely, 2^1406603648 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 1406603648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407776460).

1406603648 is an abundant number, since it is smaller than the sum of its proper divisors (1408949272).

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

1406603648 is an equidigital number, since it uses as much as digits as its factorization.

1406603648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52306 (or 52294 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 1406603648 is about 37504.7150102490. The cubic root of 1406603648 is about 1120.4450952017.

Adding to 1406603648 its reverse (8463066041), we get a palindrome (9869669689).

The spelling of 1406603648 in words is "one billion, four hundred six million, six hundred three thousand, six hundred forty-eight".