434440140 has 24 divisors (see below), whose sum is σ = 1216432560. Its totient is φ = 115850688.

The previous prime is 434440133. The next prime is 434440159. The reversal of 434440140 is 41044434.

It is a self number, because there is not a number n which added to its sum of digits gives 434440140.

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, 3620275 + ... + 3620394.

It is an arithmetic number, because the mean of its divisors is an integer number (50684690).

Almost surely, 2^434440140 is an apocalyptic number.

It is an amenable number.

434440140 is an abundant number, since it is smaller than the sum of its proper divisors (781992420).

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

434440140 is a wasteful number, since it uses less digits than its factorization.

434440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240681 (or 7240679 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 434440140 is about 20843.2276771137. The cubic root of 434440140 is about 757.3732842533.

Adding to 434440140 its reverse (41044434), we get a palindrome (475484574).

The spelling of 434440140 in words is "four hundred thirty-four million, four hundred forty thousand, one hundred forty".