420664848 has 40 divisors (see below), whose sum is σ = 1133969088. Its totient is φ = 134124672.

The previous prime is 420664841. The next prime is 420664859. The reversal of 420664848 is 848466024.

It is not an unprimeable number, because it can be changed into a prime (420664841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189415 + ... + 191622.

Almost surely, 2^420664848 is an apocalyptic number.

420664848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

420664848 is an abundant number, since it is smaller than the sum of its proper divisors (713304240).

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

420664848 is a wasteful number, since it uses less digits than its factorization.

420664848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381071 (or 381065 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 420664848 is about 20510.1157480888. The cubic root of 420664848 is about 749.2821860990.

The spelling of 420664848 in words is "four hundred twenty million, six hundred sixty-four thousand, eight hundred forty-eight".