2642859550 has 24 divisors (see below), whose sum is σ = 5030041896. Its totient is φ = 1032558240.

The previous prime is 2642859517. The next prime is 2642859563. The reversal of 2642859550 is 559582462.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642859550.

It is a congruent number.

It is an unprimeable number.

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, 612469 + ... + 616768.

It is an arithmetic number, because the mean of its divisors is an integer number (209585079).

Almost surely, 2^2642859550 is an apocalyptic number.

2642859550 is a deficient number, since it is larger than the sum of its proper divisors (2387182346).

2642859550 is a wasteful number, since it uses less digits than its factorization.

2642859550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229292 (or 1229287 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 2642859550 is about 51408.7497416539. The cubic root of 2642859550 is about 1382.5834735364.

The spelling of 2642859550 in words is "two billion, six hundred forty-two million, eight hundred fifty-nine thousand, five hundred fifty".