68565473400 has 48 divisors (see below), whose sum is σ = 212552969400. Its totient is φ = 18284126080.

The previous prime is 68565473387. The next prime is 68565473407. The reversal of 68565473400 is 437456586.

It is a super-2 number, since 2×68565473400² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68565473400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68565473407) 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, 57137295 + ... + 57138494.

Almost surely, 2^68565473400 is an apocalyptic number.

68565473400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68565473400 is an abundant number, since it is smaller than the sum of its proper divisors (143987496000).

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

68565473400 is a wasteful number, since it uses less digits than its factorization.

68565473400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114275808 (or 114275799 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 68565473400 in words is "sixty-eight billion, five hundred sixty-five million, four hundred seventy-three thousand, four hundred".