383434790072 has 8 divisors (see below), whose sum is σ = 718940231400. Its totient is φ = 191717395032.

The previous prime is 383434790017. The next prime is 383434790111. The reversal of 383434790072 is 270097434383.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 383434790072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23964674372 + ... + 23964674387.

It is an arithmetic number, because the mean of its divisors is an integer number (89867528925).

Almost surely, 2^383434790072 is an apocalyptic number.

It is an amenable number.

383434790072 is a deficient number, since it is larger than the sum of its proper divisors (335505441328).

383434790072 is a wasteful number, since it uses less digits than its factorization.

383434790072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47929348765 (or 47929348761 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 383434790072 in words is "three hundred eighty-three billion, four hundred thirty-four million, seven hundred ninety thousand, seventy-two".