2520398752 has 24 divisors (see below), whose sum is σ = 4968072900. Its totient is φ = 1258665984.

The previous prime is 2520398731. The next prime is 2520398761. The reversal of 2520398752 is 2578930252.

It can be written as a sum of positive squares in 2 ways, for example, as 2511613456 + 8785296 = 50116^2 + 2964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2520398699 and 2520398708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20977 + ... + 74032.

Almost surely, 2^2520398752 is an apocalyptic number.

It is an amenable number.

2520398752 is a deficient number, since it is larger than the sum of its proper divisors (2447674148).

2520398752 is an equidigital number, since it uses as much as digits as its factorization.

2520398752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95848 (or 95840 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2520398752 is about 50203.5730999298. The cubic root of 2520398752 is about 1360.8901957369.

The spelling of 2520398752 in words is "two billion, five hundred twenty million, three hundred ninety-eight thousand, seven hundred fifty-two".