2520288340 has 24 divisors (see below), whose sum is σ = 5294201472. Its totient is φ = 1007811360.

The previous prime is 2520288311. The next prime is 2520288343. The reversal of 2520288340 is 438820252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2520288296 and 2520288305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520288343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56257 + ... + 90583.

It is an arithmetic number, because the mean of its divisors is an integer number (220591728).

Almost surely, 2^2520288340 is an apocalyptic number.

2520288340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520288340 is an abundant number, since it is smaller than the sum of its proper divisors (2773913132).

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

2520288340 is a wasteful number, since it uses less digits than its factorization.

2520288340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38007 (or 38005 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 2520288340 is about 50202.4734450405. The cubic root of 2520288340 is about 1360.8703231139.

The spelling of 2520288340 in words is "two billion, five hundred twenty million, two hundred eighty-eight thousand, three hundred forty".