43980725446 has 64 divisors (see below), whose sum is σ = 77768064000. Its totient is φ = 18267410304.

The previous prime is 43980725423. The next prime is 43980725447. The reversal of 43980725446 is 64452708934.

It is a junction number, because it is equal to n+sod(n) for n = 43980725393 and 43980725402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43980725447) 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 31 ways as a sum of consecutive naturals, for example, 15232615 + ... + 15235501.

It is an arithmetic number, because the mean of its divisors is an integer number (1215126000).

Almost surely, 2^43980725446 is an apocalyptic number.

43980725446 is a deficient number, since it is larger than the sum of its proper divisors (33787338554).

43980725446 is a wasteful number, since it uses less digits than its factorization.

43980725446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 43980725446 in words is "forty-three billion, nine hundred eighty million, seven hundred twenty-five thousand, four hundred forty-six".