43904000000000 has 680 divisors, whose sum is σ = 127999010330400. Its totient is φ = 15052800000000.

The previous prime is 43903999999999. The next prime is 43904000000017. The reversal of 43904000000000 is 40934.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a super-2 number, since 2×43904000000000² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6271999999997 + ... + 6272000000003.

Almost surely, 2^{43904000000000} is an apocalyptic number.

43904000000000 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 43904000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63999505165200).

43904000000000 is an abundant number, since it is smaller than the sum of its proper divisors (84095010330400).

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

43904000000000 is an frugal number, since it uses more digits than its factorization.

43904000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43904000000000 its reverse (40934), we get a palindrome (43904000040934).

The spelling of 43904000000000 in words is "forty-three trillion, nine hundred four billion", and thus it is an aban number.