1534434234220 has 24 divisors (see below), whose sum is σ = 3242836178064. Its totient is φ = 609864305856.

The previous prime is 1534434234217. The next prime is 1534434234227. The reversal of 1534434234220 is 224324344351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1534434234220.

It is not an unprimeable number, because it can be changed into a prime (1534434234227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244333522 + ... + 244339801.

It is an arithmetic number, because the mean of its divisors is an integer number (135118174086).

Almost surely, 2^{1534434234220} is an apocalyptic number.

1534434234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534434234220 is an abundant number, since it is smaller than the sum of its proper divisors (1708401943844).

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

1534434234220 is a wasteful number, since it uses less digits than its factorization.

1534434234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488673489 (or 488673487 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 1534434234220 its reverse (224324344351), we get a palindrome (1758758578571).

The spelling of 1534434234220 in words is "one trillion, five hundred thirty-four billion, four hundred thirty-four million, two hundred thirty-four thousand, two hundred twenty".