2520345126 has 32 divisors (see below), whose sum is σ = 5520453120. Its totient is φ = 762345504.

The previous prime is 2520345109. The next prime is 2520345133. The reversal of 2520345126 is 6215430252.

It is a junction number, because it is equal to n+sod(n) for n = 2520345093 and 2520345102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269230 + ... + 278433.

It is an arithmetic number, because the mean of its divisors is an integer number (172514160).

Almost surely, 2^2520345126 is an apocalyptic number.

2520345126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2520345126 is an abundant number, since it is smaller than the sum of its proper divisors (3000107994).

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

2520345126 is a wasteful number, since it uses less digits than its factorization.

2520345126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547740.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2520345126 is about 50203.0390115977. The cubic root of 2520345126 is about 1360.8805438759.

Adding to 2520345126 its reverse (6215430252), we get a palindrome (8735775378).

The spelling of 2520345126 in words is "two billion, five hundred twenty million, three hundred forty-five thousand, one hundred twenty-six".