68458046250 has 320 divisors, whose sum is σ = 192321537408. Its totient is φ = 16099200000.

The previous prime is 68458046221. The next prime is 68458046257. The reversal of 68458046250 is 5264085486.

It is a self number, because there is not a number n which added to its sum of digits gives 68458046250.

It is not an unprimeable number, because it can be changed into a prime (68458046257) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 378221160 + ... + 378221340.

Almost surely, 2^68458046250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68458046250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96160768704).

68458046250 is an abundant number, since it is smaller than the sum of its proper divisors (123863491158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68458046250 is a wasteful number, since it uses less digits than its factorization.

68458046250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 68458046250 in words is "sixty-eight billion, four hundred fifty-eight million, forty-six thousand, two hundred fifty".