1420803648 has 168 divisors, whose sum is σ = 4527596736. Its totient is φ = 422323200.

The previous prime is 1420803647. The next prime is 1420803653. The reversal of 1420803648 is 8463080241.

1420803648 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 8 + 0 + 3 + 648 = 666.

1420803648 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1420803647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333693 + ... + 337923.

Almost surely, 2^1420803648 is an apocalyptic number.

1420803648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420803648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2263798368).

1420803648 is an abundant number, since it is smaller than the sum of its proper divisors (3106793088).

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

1420803648 is a wasteful number, since it uses less digits than its factorization.

1420803648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313 (or 4300 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1420803648 is about 37693.5491563212. The cubic root of 1420803648 is about 1124.2028652381.

Adding to 1420803648 its reverse (8463080241), we get a palindrome (9883883889).

The spelling of 1420803648 in words is "one billion, four hundred twenty million, eight hundred three thousand, six hundred forty-eight".