43402100000 has 144 divisors (see below), whose sum is σ = 122062562496. Its totient is φ = 14880480000.

The previous prime is 43402099999. The next prime is 43402100003. The reversal of 43402100000 is 120434.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (43402100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668999 + ... + 731001.

It is an arithmetic number, because the mean of its divisors is an integer number (847656684).

Almost surely, 2^43402100000 is an apocalyptic number.

43402100000 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 43402100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61031281248).

43402100000 is an abundant number, since it is smaller than the sum of its proper divisors (78660462496).

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

43402100000 is an frugal number, since it uses more digits than its factorization.

43402100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62045 (or 62017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 43402100000 its reverse (120434), we get a palindrome (43402220434).

The spelling of 43402100000 in words is "forty-three billion, four hundred two million, one hundred thousand".