434102440 has 32 divisors (see below), whose sum is σ = 977625000. Its totient is φ = 173481984.

The previous prime is 434102423. The next prime is 434102453. The reversal of 434102440 is 44201434.

It can be written as a sum of positive squares in 4 ways, for example, as 401361156 + 32741284 = 20034^2 + 5722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45616 + ... + 54304.

Almost surely, 2^434102440 is an apocalyptic number.

434102440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434102440 is an abundant number, since it is smaller than the sum of its proper divisors (543522560).

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

434102440 is a wasteful number, since it uses less digits than its factorization.

434102440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949 (or 9945 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 434102440 is about 20835.1251496121. The cubic root of 434102440 is about 757.1769923412.

Adding to 434102440 its reverse (44201434), we get a palindrome (478303874).

The spelling of 434102440 in words is "four hundred thirty-four million, one hundred two thousand, four hundred forty".