67804451405400 has 384 divisors, whose sum is σ = 216736161480000. Its totient is φ = 17526926376960.

The previous prime is 67804451405393. The next prime is 67804451405401. The reversal of 67804451405400 is 450415440876.

It is a self number, because there is not a number n which added to its sum of digits gives 67804451405400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67804451405401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3885855876 + ... + 3885873324.

Almost surely, 2^{67804451405400} is an apocalyptic number.

67804451405400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67804451405400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108368080740000).

67804451405400 is an abundant number, since it is smaller than the sum of its proper divisors (148931710074600).

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

67804451405400 is a wasteful number, since it uses less digits than its factorization.

67804451405400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18983 (or 18974 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 67804451405400 in words is "sixty-seven trillion, eight hundred four billion, four hundred fifty-one million, four hundred five thousand, four hundred".