43873366400 has 96 divisors (see below), whose sum is σ = 108443762280. Its totient is φ = 17539174400.

The previous prime is 43873366349. The next prime is 43873366409. The reversal of 43873366400 is 466337834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43873366409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8096492 + ... + 8101908.

Almost surely, 2^43873366400 is an apocalyptic number.

43873366400 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 43873366400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54221881140).

43873366400 is an abundant number, since it is smaller than the sum of its proper divisors (64570395880).

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

43873366400 is a wasteful number, since it uses less digits than its factorization.

43873366400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972 (or 7955 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 43873366400 in words is "forty-three billion, eight hundred seventy-three million, three hundred sixty-six thousand, four hundred".