2520605740 has 24 divisors (see below), whose sum is σ = 5571866160. Its totient is φ = 955176768.

The previous prime is 2520605699. The next prime is 2520605761. The reversal of 2520605740 is 475060252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3316207 + ... + 3316966.

It is an arithmetic number, because the mean of its divisors is an integer number (232161090).

Almost surely, 2^2520605740 is an apocalyptic number.

2520605740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520605740 is an abundant number, since it is smaller than the sum of its proper divisors (3051260420).

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

2520605740 is a wasteful number, since it uses less digits than its factorization.

2520605740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633201 (or 6633199 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2520605740 is about 50205.6345443417. The cubic root of 2520605740 is about 1360.9274491317.

Adding to 2520605740 its reverse (475060252), we get a palindrome (2995665992).

The spelling of 2520605740 in words is "two billion, five hundred twenty million, six hundred five thousand, seven hundred forty".