434203040 has 96 divisors (see below), whose sum is σ = 1050419664. Its totient is φ = 169574400.

The previous prime is 434203031. The next prime is 434203043. The reversal of 434203040 is 40302434.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 224880016 + 209323024 = 14996^2 + 14468^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (434203043) 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 15 ways as a sum of consecutive naturals, for example, 1567382 + ... + 1567658.

Almost surely, 2^434203040 is an apocalyptic number.

434203040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525209832).

434203040 is an abundant number, since it is smaller than the sum of its proper divisors (616216624).

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

434203040 is a wasteful number, since it uses less digits than its factorization.

434203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 434203040 is about 20837.5392021227. The cubic root of 434203040 is about 757.2354778622.

Adding to 434203040 its reverse (40302434), we get a palindrome (474505474).

The spelling of 434203040 in words is "four hundred thirty-four million, two hundred three thousand, forty".