540026520 has 128 divisors (see below), whose sum is σ = 1772928000. Its totient is φ = 130503680.

The previous prime is 540026503. The next prime is 540026521. The reversal of 540026520 is 25620045.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540026521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750721 + ... + 751439.

It is an arithmetic number, because the mean of its divisors is an integer number (13851000).

Almost surely, 2^540026520 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 540026520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886464000).

540026520 is an abundant number, since it is smaller than the sum of its proper divisors (1232901480).

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

540026520 is a wasteful number, since it uses less digits than its factorization.

540026520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 540026520 is about 23238.4706897851. The cubic root of 540026520 is about 814.3386155668.

Adding to 540026520 its reverse (25620045), we get a palindrome (565646565).

The spelling of 540026520 in words is "five hundred forty million, twenty-six thousand, five hundred twenty".