68606028400 has 720 divisors, whose sum is σ = 224394637824. Its totient is φ = 19588884480.

The previous prime is 68606028367. The next prime is 68606028437. The reversal of 68606028400 is 482060686.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 302229087 + ... + 302229313.

Almost surely, 2^68606028400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68606028400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112197318912).

68606028400 is an abundant number, since it is smaller than the sum of its proper divisors (155788609424).

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

68606028400 is a wasteful number, since it uses less digits than its factorization.

68606028400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 68606028400 in words is "sixty-eight billion, six hundred six million, twenty-eight thousand, four hundred".