427443765072 has 20 divisors (see below), whose sum is σ = 1104229726560. Its totient is φ = 142481255008.

The previous prime is 427443765031. The next prime is 427443765137. The reversal of 427443765072 is 270567344724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4452539172 + ... + 4452539267.

It is an arithmetic number, because the mean of its divisors is an integer number (55211486328).

Almost surely, 2^427443765072 is an apocalyptic number.

It is an amenable number.

427443765072 is an abundant number, since it is smaller than the sum of its proper divisors (676785961488).

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

427443765072 is a wasteful number, since it uses less digits than its factorization.

427443765072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905078450 (or 8905078444 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 51.

The spelling of 427443765072 in words is "four hundred twenty-seven billion, four hundred forty-three million, seven hundred sixty-five thousand, seventy-two".