534661520 has 40 divisors (see below), whose sum is σ = 1308517440. Its totient is φ = 202608000.

The previous prime is 534661483. The next prime is 534661529. The reversal of 534661520 is 25166435.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (534661529) 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, 174356 + ... + 177395.

It is an arithmetic number, because the mean of its divisors is an integer number (32712936).

Almost surely, 2^534661520 is an apocalyptic number.

It is an amenable number.

534661520 is an abundant number, since it is smaller than the sum of its proper divisors (773855920).

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

534661520 is a wasteful number, since it uses less digits than its factorization.

534661520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351783 (or 351777 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 534661520 is about 23122.7489715215. The cubic root of 534661520 is about 811.6328996536.

It can be divided in two parts, 5346 and 61520, that added together give a palindrome (66866).

The spelling of 534661520 in words is "five hundred thirty-four million, six hundred sixty-one thousand, five hundred twenty".