43471478400000 has 528 divisors, whose sum is σ = 165514432148352. Its totient is φ = 9936322560000.

The previous prime is 43471478399971. The next prime is 43471478400001. The reversal of 43471478400000 is 487417434.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (43471478400001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66876552 + ... + 67523448.

Almost surely, 2^{43471478400000} is an apocalyptic number.

43471478400000 is a gapful number since it is divisible by the number (40) 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 43471478400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82757216074176).

43471478400000 is an abundant number, since it is smaller than the sum of its proper divisors (122042953748352).

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

43471478400000 is an frugal number, since it uses more digits than its factorization.

43471478400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646952 (or 646914 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 43471478400000 in words is "forty-three trillion, four hundred seventy-one billion, four hundred seventy-eight million, four hundred thousand".