43986672900 has 81 divisors (see below), whose sum is σ = 137893506933. Its totient is φ = 11728101600.

The previous prime is 43986672869. The next prime is 43986672949. The reversal of 43986672900 is 927668934.

It is a happy number.

The square root of 43986672900 is 209730.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15835202244 + 28151470656 = 125838^2 + 167784^2 .

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 6288405 + ... + 6295395.

Almost surely, 2^43986672900 is an apocalyptic number.

43986672900 is the 209730-th square number.

It is an amenable number.

43986672900 is an abundant number, since it is smaller than the sum of its proper divisors (93906834033).

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

43986672900 is an equidigital number, since it uses as much as digits as its factorization.

43986672900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002 (or 7001 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 43986672900 in words is "forty-three billion, nine hundred eighty-six million, six hundred seventy-two thousand, nine hundred".