43420351076 has 12 divisors (see below), whose sum is σ = 75988578540. Its totient is φ = 21709328640.

The previous prime is 43420351043. The next prime is 43420351087. The reversal of 43420351076 is 67015302434.

It can be written as a sum of positive squares in 2 ways, for example, as 24593766976 + 18826584100 = 156824^2 + 137210^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 88385 + ... + 307656.

It is an arithmetic number, because the mean of its divisors is an integer number (6332381545).

Almost surely, 2^43420351076 is an apocalyptic number.

It is an amenable number.

43420351076 is a deficient number, since it is larger than the sum of its proper divisors (32568227464).

43420351076 is a wasteful number, since it uses less digits than its factorization.

43420351076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423454 (or 423452 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 43420351076 in words is "forty-three billion, four hundred twenty million, three hundred fifty-one thousand, seventy-six".