2542890650 has 24 divisors (see below), whose sum is σ = 4978714080. Its totient is φ = 963621360.

The previous prime is 2542890587. The next prime is 2542890659. The reversal of 2542890650 is 560982452.

It is a junction number, because it is equal to n+sod(n) for n = 2542890598 and 2542890607.

It is not an unprimeable number, because it can be changed into a prime (2542890659) 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 11 ways as a sum of consecutive naturals, for example, 1337414 + ... + 1339313.

It is an arithmetic number, because the mean of its divisors is an integer number (207446420).

Almost surely, 2^2542890650 is an apocalyptic number.

2542890650 is a deficient number, since it is larger than the sum of its proper divisors (2435823430).

2542890650 is a wasteful number, since it uses less digits than its factorization.

2542890650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676758 (or 2676753 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 2542890650 is about 50427.0825053364. The cubic root of 2542890650 is about 1364.9263826264.

The spelling of 2542890650 in words is "two billion, five hundred forty-two million, eight hundred ninety thousand, six hundred fifty".