43021486980 has 36 divisors (see below), whose sum is σ = 130498511052. Its totient is φ = 11472396480.

The previous prime is 43021486961. The next prime is 43021486997. The reversal of 43021486980 is 8968412034.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22442436864 + 20579050116 = 149808^2 + 143454^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119503951 + ... + 119504310.

Almost surely, 2^43021486980 is an apocalyptic number.

It is an amenable number.

43021486980 is an abundant number, since it is smaller than the sum of its proper divisors (87477024072).

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

43021486980 is a wasteful number, since it uses less digits than its factorization.

43021486980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239008276 (or 239008271 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 43021486980 in words is "forty-three billion, twenty-one million, four hundred eighty-six thousand, nine hundred eighty".