258241213550 has 48 divisors (see below), whose sum is σ = 501280639200. Its totient is φ = 98791904640.

The previous prime is 258241213547. The next prime is 258241213577. The reversal of 258241213550 is 55312142852.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14219876 + ... + 14238024.

It is an arithmetic number, because the mean of its divisors is an integer number (10443346650).

Almost surely, 2^258241213550 is an apocalyptic number.

258241213550 is a deficient number, since it is larger than the sum of its proper divisors (243039425650).

258241213550 is a wasteful number, since it uses less digits than its factorization.

258241213550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30557 (or 30552 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 258241213550 in words is "two hundred fifty-eight billion, two hundred forty-one million, two hundred thirteen thousand, five hundred fifty".