420488688 has 40 divisors (see below), whose sum is σ = 1098478800. Its totient is φ = 138586624.

The previous prime is 420488669. The next prime is 420488689. The reversal of 420488688 is 886884024.

It is a super-2 number, since 2×420488688² = 353621473471922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420488689) 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, 44943 + ... + 53486.

It is an arithmetic number, because the mean of its divisors is an integer number (27461970).

Almost surely, 2^420488688 is an apocalyptic number.

420488688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

420488688 is an abundant number, since it is smaller than the sum of its proper divisors (677990112).

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

420488688 is a wasteful number, since it uses less digits than its factorization.

420488688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98529 (or 98523 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The square root of 420488688 is about 20505.8208321442. The cubic root of 420488688 is about 749.1775802751.

The spelling of 420488688 in words is "four hundred twenty million, four hundred eighty-eight thousand, six hundred eighty-eight".