43450504000 has 112 divisors (see below), whose sum is σ = 113935245840. Its totient is φ = 16357785600.

The previous prime is 43450503961. The next prime is 43450504007. The reversal of 43450504000 is 40505434.

It can be written as a sum of positive squares in 8 ways, for example, as 5537741056 + 37912762944 = 74416^2 + 194712^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43450504007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23745 + ... + 295744.

Almost surely, 2^43450504000 is an apocalyptic number.

43450504000 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 43450504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56967622920).

43450504000 is an abundant number, since it is smaller than the sum of its proper divisors (70484741840).

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

43450504000 is a wasteful number, since it uses less digits than its factorization.

43450504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319533 (or 319513 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 43450504000 in words is "forty-three billion, four hundred fifty million, five hundred four thousand".