420648504 has 16 divisors (see below), whose sum is σ = 1051621320. Its totient is φ = 140216160.

The previous prime is 420648491. The next prime is 420648521. The reversal of 420648504 is 405846024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8763487 + ... + 8763534.

Almost surely, 2^420648504 is an apocalyptic number.

It is an amenable number.

420648504 is an abundant number, since it is smaller than the sum of its proper divisors (630972816).

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

420648504 is a wasteful number, since it uses less digits than its factorization.

420648504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17527030 (or 17527026 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 420648504 is about 20509.7173066817. The cubic root of 420648504 is about 749.2724820740.

The spelling of 420648504 in words is "four hundred twenty million, six hundred forty-eight thousand, five hundred four".