43244012000 has 384 divisors, whose sum is σ = 125748080640. Its totient is φ = 14307840000.

The previous prime is 43244011991. The next prime is 43244012033. The reversal of 43244012000 is 21044234.

It is a super-2 number, since 2×43244012000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159571865 + ... + 159572135.

It is an arithmetic number, because the mean of its divisors is an integer number (327468960).

Almost surely, 2^43244012000 is an apocalyptic number.

43244012000 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 43244012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62874040320).

43244012000 is an abundant number, since it is smaller than the sum of its proper divisors (82504068640).

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

43244012000 is a wasteful number, since it uses less digits than its factorization.

43244012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 43244012000 its reverse (21044234), we get a palindrome (43265056234).

The spelling of 43244012000 in words is "forty-three billion, two hundred forty-four million, twelve thousand".