2520126650 has 12 divisors (see below), whose sum is σ = 4687435662. Its totient is φ = 1008050640.

The previous prime is 2520126641. The next prime is 2520126667. The reversal of 2520126650 is 566210252.

It can be written as a sum of positive squares in 3 ways, for example, as 2219069449 + 301057201 = 47107^2 + 17351^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25201217 + ... + 25201316.

Almost surely, 2^2520126650 is an apocalyptic number.

2520126650 is a deficient number, since it is larger than the sum of its proper divisors (2167309012).

2520126650 is a wasteful number, since it uses less digits than its factorization.

2520126650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50402545 (or 50402540 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2520126650 is about 50200.8630403901. The cubic root of 2520126650 is about 1360.8412201174.

The spelling of 2520126650 in words is "two billion, five hundred twenty million, one hundred twenty-six thousand, six hundred fifty".