534345240 has 128 divisors (see below), whose sum is σ = 1883347200. Its totient is φ = 119569920.

The previous prime is 534345239. The next prime is 534345257. The reversal of 534345240 is 42543435.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 534345198 and 534345207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1591 + ... + 32729.

It is an arithmetic number, because the mean of its divisors is an integer number (14713650).

Almost surely, 2^534345240 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 534345240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941673600).

534345240 is an abundant number, since it is smaller than the sum of its proper divisors (1349001960).

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

534345240 is a wasteful number, since it uses less digits than its factorization.

534345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31177 (or 31173 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 534345240 is about 23115.9088075723. The cubic root of 534345240 is about 811.4728271103.

Adding to 534345240 its reverse (42543435), we get a palindrome (576888675).

The spelling of 534345240 in words is "five hundred thirty-four million, three hundred forty-five thousand, two hundred forty".