420033400 has 24 divisors (see below), whose sum is σ = 976578120. Its totient is φ = 168013280.

The previous prime is 420033391. The next prime is 420033401. The reversal of 420033400 is 4330024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420033401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1049884 + ... + 1050283.

It is an arithmetic number, because the mean of its divisors is an integer number (40690755).

Almost surely, 2^420033400 is an apocalyptic number.

420033400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420033400 is an abundant number, since it is smaller than the sum of its proper divisors (556544720).

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

420033400 is a wasteful number, since it uses less digits than its factorization.

420033400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100183 (or 2100174 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 420033400 is about 20494.7163922802. The cubic root of 420033400 is about 748.9070896510.

Adding to 420033400 its reverse (4330024), we get a palindrome (424363424).

The spelling of 420033400 in words is "four hundred twenty million, thirty-three thousand, four hundred".