434240140 has 24 divisors (see below), whose sum is σ = 936551952. Its totient is φ = 169001280.

The previous prime is 434240123. The next prime is 434240153. The reversal of 434240140 is 41042434.

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, 292666 + ... + 294145.

It is an arithmetic number, because the mean of its divisors is an integer number (39022998).

Almost surely, 2^434240140 is an apocalyptic number.

It is an amenable number.

434240140 is an abundant number, since it is smaller than the sum of its proper divisors (502311812).

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

434240140 is a wasteful number, since it uses less digits than its factorization.

434240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586857 (or 586855 counting only the distinct ones).

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

The square root of 434240140 is about 20838.4294033883. The cubic root of 434240140 is about 757.2570442981.

Adding to 434240140 its reverse (41042434), we get a palindrome (475282574).

The spelling of 434240140 in words is "four hundred thirty-four million, two hundred forty thousand, one hundred forty".