2530511240 has 16 divisors (see below), whose sum is σ = 5693650380. Its totient is φ = 1012204480.

The previous prime is 2530511237. The next prime is 2530511273. The reversal of 2530511240 is 421150352.

It can be written as a sum of positive squares in 2 ways, for example, as 2292302884 + 238208356 = 47878^2 + 15434^2 .

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, 31631351 + ... + 31631430.

Almost surely, 2^2530511240 is an apocalyptic number.

2530511240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530511240 is an abundant number, since it is smaller than the sum of its proper divisors (3163139140).

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

2530511240 is a wasteful number, since it uses less digits than its factorization.

2530511240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63262792 (or 63262788 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2530511240 is about 50304.1871020693. The cubic root of 2530511240 is about 1362.7078474263.

Adding to 2530511240 its reverse (421150352), we get a palindrome (2951661592).

The spelling of 2530511240 in words is "two billion, five hundred thirty million, five hundred eleven thousand, two hundred forty".