43116993980 has 24 divisors (see below), whose sum is σ = 90549624480. Its totient is φ = 17246047680.

The previous prime is 43116993979. The next prime is 43116993989. The reversal of 43116993980 is 8939961134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43116993989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 782786 + ... + 836054.

It is an arithmetic number, because the mean of its divisors is an integer number (3772901020).

Almost surely, 2^43116993980 is an apocalyptic number.

It is an amenable number.

43116993980 is an abundant number, since it is smaller than the sum of its proper divisors (47432630500).

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

43116993980 is a wasteful number, since it uses less digits than its factorization.

43116993980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93749 (or 93747 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 43116993980 in words is "forty-three billion, one hundred sixteen million, nine hundred ninety-three thousand, nine hundred eighty".