2520543838 has 16 divisors (see below), whose sum is σ = 4047264000. Its totient is φ = 1173704472.

The previous prime is 2520543833. The next prime is 2520543841. The reversal of 2520543838 is 8383450252.

It is a self number, because there is not a number n which added to its sum of digits gives 2520543838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520543833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 559878 + ... + 564361.

It is an arithmetic number, because the mean of its divisors is an integer number (252954000).

Almost surely, 2^2520543838 is an apocalyptic number.

2520543838 is a deficient number, since it is larger than the sum of its proper divisors (1526720162).

2520543838 is a wasteful number, since it uses less digits than its factorization.

2520543838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124319.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 2520543838 is about 50205.0180559673. The cubic root of 2520543838 is about 1360.9163083148.

The spelling of 2520543838 in words is "two billion, five hundred twenty million, five hundred forty-three thousand, eight hundred thirty-eight".