2520540232 has 16 divisors (see below), whose sum is σ = 5401157760. Its totient is φ = 1080231504.

The previous prime is 2520540223. The next prime is 2520540251. The reversal of 2520540232 is 2320450252.

It is a happy number.

It is a super-2 number, since 2×2520540232² = 12706246122261227648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520540197 and 2520540206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22504768 + ... + 22504879.

It is an arithmetic number, because the mean of its divisors is an integer number (337572360).

Almost surely, 2^2520540232 is an apocalyptic number.

It is an amenable number.

2520540232 is an abundant number, since it is smaller than the sum of its proper divisors (2880617528).

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

2520540232 is a wasteful number, since it uses less digits than its factorization.

2520540232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45009660 (or 45009656 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2520540232 is about 50204.9821432097. The cubic root of 2520540232 is about 1360.9156593191.

Adding to 2520540232 its reverse (2320450252), we get a palindrome (4840990484).

The spelling of 2520540232 in words is "two billion, five hundred twenty million, five hundred forty thousand, two hundred thirty-two".