258464065450 has 24 divisors (see below), whose sum is σ = 487514198880. Its totient is φ = 101929489200.

The previous prime is 258464065429. The next prime is 258464065451. The reversal of 258464065450 is 54560464852.

It is a happy number.

258464065450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 258464065394 and 258464065403.

It is not an unprimeable number, because it can be changed into a prime (258464065451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36399840 + ... + 36406939.

It is an arithmetic number, because the mean of its divisors is an integer number (20313091620).

Almost surely, 2^258464065450 is an apocalyptic number.

258464065450 is a deficient number, since it is larger than the sum of its proper divisors (229050133430).

258464065450 is a wasteful number, since it uses less digits than its factorization.

258464065450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72806862 (or 72806857 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 258464065450 in words is "two hundred fifty-eight billion, four hundred sixty-four million, sixty-five thousand, four hundred fifty".