420648592 has 40 divisors (see below), whose sum is σ = 1003088576. Its totient is φ = 166409856.

The previous prime is 420648577. The next prime is 420648593. The reversal of 420648592 is 295846024.

It is not an unprimeable number, because it can be changed into a prime (420648593) 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, 142998 + ... + 145909.

Almost surely, 2^420648592 is an apocalyptic number.

It is an amenable number.

420648592 is an abundant number, since it is smaller than the sum of its proper divisors (582439984).

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

420648592 is a wasteful number, since it uses less digits than its factorization.

420648592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288935 (or 288929 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 420648592 is about 20509.7194520062. The cubic root of 420648592 is about 749.2725343234.

The spelling of 420648592 in words is "four hundred twenty million, six hundred forty-eight thousand, five hundred ninety-two".