43969896100 has 81 divisors (see below), whose sum is σ = 103382942313. Its totient is φ = 16224973440.

The previous prime is 43969896073. The next prime is 43969896101. The reversal of 43969896100 is 169896934.

The square root of 43969896100 is 209690.

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

It can be written as a sum of positive squares in 13 ways, for example, as 37949377636 + 6020518464 = 194806^2 + 77592^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43969896101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27258894 + ... + 27260506.

Almost surely, 2^43969896100 is an apocalyptic number.

43969896100 is the 209690-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43969896100

43969896100 is an abundant number, since it is smaller than the sum of its proper divisors (59413046213).

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

43969896100 is a wasteful number, since it uses less digits than its factorization.

43969896100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 43969896100 in words is "forty-three billion, nine hundred sixty-nine million, eight hundred ninety-six thousand, one hundred".