534504013440 has 128 divisors (see below), whose sum is σ = 1705986817920. Its totient is φ = 142345728000.

The previous prime is 534504013427. The next prime is 534504013441. The reversal of 534504013440 is 44310405435.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (534504013441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269565 + ... + 1637315.

It is an arithmetic number, because the mean of its divisors is an integer number (13328022015).

Almost surely, 2^534504013440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534504013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852993408960).

534504013440 is an abundant number, since it is smaller than the sum of its proper divisors (1171482804480).

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

534504013440 is a wasteful number, since it uses less digits than its factorization.

534504013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368530 (or 368518 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 534504013440 its reverse (44310405435), we get a palindrome (578814418875).

The spelling of 534504013440 in words is "five hundred thirty-four billion, five hundred four million, thirteen thousand, four hundred forty".