43983406950 has 72 divisors (see below), whose sum is σ = 126887662152. Its totient is φ = 10053348480.

The previous prime is 43983406939. The next prime is 43983406963. The reversal of 43983406950 is 5960438934.

It is a junction number, because it is equal to n+sod(n) for n = 43983406893 and 43983406902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2984719 + ... + 2999418.

It is an arithmetic number, because the mean of its divisors is an integer number (1762328641).

Almost surely, 2^43983406950 is an apocalyptic number.

43983406950 is an abundant number, since it is smaller than the sum of its proper divisors (82904255202).

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

43983406950 is a wasteful number, since it uses less digits than its factorization.

43983406950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984166 (or 5984154 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 43983406950 in words is "forty-three billion, nine hundred eighty-three million, four hundred six thousand, nine hundred fifty".