540502512 has 160 divisors (see below), whose sum is σ = 1590017280. Its totient is φ = 156764160.

The previous prime is 540502511. The next prime is 540502513. The reversal of 540502512 is 215205045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (540502511) and next prime (540502513).

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 (540502511) 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, 1425939 + ... + 1426317.

It is an arithmetic number, because the mean of its divisors is an integer number (9937608).

Almost surely, 2^540502512 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 540502512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795008640).

540502512 is an abundant number, since it is smaller than the sum of its proper divisors (1049514768).

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

540502512 is a wasteful number, since it uses less digits than its factorization.

540502512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 540502512 is about 23248.7098996912. The cubic root of 540502512 is about 814.5778043364.

Adding to 540502512 its reverse (215205045), we get a palindrome (755707557).

The spelling of 540502512 in words is "five hundred forty million, five hundred two thousand, five hundred twelve".