388471406400 has 2016 divisors, whose sum is σ = 1875298044672. Its totient is φ = 73786982400.

The previous prime is 388471406353. The next prime is 388471406423. The reversal of 388471406400 is 4604174883.

388471406400 is a `hidden beast` number, since 3 + 88 + 471 + 40 + 64 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 697434922 + ... + 697435478.

Almost surely, 2^388471406400 is an apocalyptic number.

388471406400 is a gapful number since it is divisible by the number (30) 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 388471406400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937649022336).

388471406400 is an abundant number, since it is smaller than the sum of its proper divisors (1486826638272).

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

388471406400 is a wasteful number, since it uses less digits than its factorization.

388471406400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 388471406400 in words is "three hundred eighty-eight billion, four hundred seventy-one million, four hundred six thousand, four hundred".