43400112000 has 512 divisors, whose sum is σ = 168916700160. Its totient is φ = 9649152000.

The previous prime is 43400111987. The next prime is 43400112047. The reversal of 43400112000 is 21100434.

It is a super-3 number, since 3×43400112000³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12430255 + ... + 12433745.

It is an arithmetic number, because the mean of its divisors is an integer number (329915430).

Almost surely, 2^43400112000 is an apocalyptic number.

43400112000 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 43400112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84458350080).

43400112000 is an abundant number, since it is smaller than the sum of its proper divisors (125516588160).

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

43400112000 is a wasteful number, since it uses less digits than its factorization.

43400112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 43400112000 its reverse (21100434), we get a palindrome (43421212434).

The spelling of 43400112000 in words is "forty-three billion, four hundred million, one hundred twelve thousand".