420043410 has 48 divisors (see below), whose sum is σ = 1098691776. Its totient is φ = 111336864.

The previous prime is 420043343. The next prime is 420043417. The reversal of 420043410 is 14340024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (420043417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057 + ... + 29003.

It is an arithmetic number, because the mean of its divisors is an integer number (22889412).

Almost surely, 2^420043410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420043410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549345888).

420043410 is an abundant number, since it is smaller than the sum of its proper divisors (678648366).

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

420043410 is a wasteful number, since it uses less digits than its factorization.

420043410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28127 (or 28124 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420043410 is about 20494.9606001085. The cubic root of 420043410 is about 748.9130387814.

Adding to 420043410 its reverse (14340024), we get a palindrome (434383434).

The spelling of 420043410 in words is "four hundred twenty million, forty-three thousand, four hundred ten".