2530650540 has 96 divisors (see below), whose sum is σ = 7755471360. Its totient is φ = 611468800.

The previous prime is 2530650517. The next prime is 2530650553. The reversal of 2530650540 is 450560352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2530650498 and 2530650507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199096 + ... + 211424.

It is an arithmetic number, because the mean of its divisors is an integer number (80786160).

Almost surely, 2^2530650540 is an apocalyptic number.

2530650540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530650540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3877735680).

2530650540 is an abundant number, since it is smaller than the sum of its proper divisors (5224820820).

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

2530650540 is a wasteful number, since it uses less digits than its factorization.

2530650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12663 (or 12661 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2530650540 is about 50305.5716596084. The cubic root of 2530650540 is about 1362.7328518229.

The spelling of 2530650540 in words is "two billion, five hundred thirty million, six hundred fifty thousand, five hundred forty".