43904990976 has 648 divisors, whose sum is σ = 157951293696. Its totient is φ = 10703831040.

The previous prime is 43904990971. The next prime is 43904991017. The reversal of 43904990976 is 67909940934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43904990971) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 119631945 + ... + 119632311.

Almost surely, 2^43904990976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43904990976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78975646848).

43904990976 is an abundant number, since it is smaller than the sum of its proper divisors (114046302720).

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

43904990976 is a wasteful number, since it uses less digits than its factorization.

43904990976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 43904990976 in words is "forty-three billion, nine hundred four million, nine hundred ninety thousand, nine hundred seventy-six".