434001142140 has 48 divisors (see below), whose sum is σ = 1218514440192. Its totient is φ = 115418281536.

The previous prime is 434001142139. The next prime is 434001142147. The reversal of 434001142140 is 41241100434.

It is a self number, because there is not a number n which added to its sum of digits gives 434001142140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434001142147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9832684 + ... + 9876723.

It is an arithmetic number, because the mean of its divisors is an integer number (25385717504).

Almost surely, 2^434001142140 is an apocalyptic number.

It is an amenable number.

434001142140 is an abundant number, since it is smaller than the sum of its proper divisors (784513298052).

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

434001142140 is a wasteful number, since it uses less digits than its factorization.

434001142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19709786 (or 19709784 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 434001142140 its reverse (41241100434), we get a palindrome (475242242574).

The spelling of 434001142140 in words is "four hundred thirty-four billion, one million, one hundred forty-two thousand, one hundred forty".