383689134480 has 80 divisors (see below), whose sum is σ = 1189496545920. Its totient is φ = 102311921664.

The previous prime is 383689134469. The next prime is 383689134541. The reversal of 383689134480 is 84431986383.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 383689134480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8180536 + ... + 8227304.

It is an arithmetic number, because the mean of its divisors is an integer number (14868706824).

Almost surely, 2^383689134480 is an apocalyptic number.

383689134480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383689134480 is an abundant number, since it is smaller than the sum of its proper divisors (805807411440).

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

383689134480 is a wasteful number, since it uses less digits than its factorization.

383689134480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80968 (or 80962 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 383689134480 in words is "three hundred eighty-three billion, six hundred eighty-nine million, one hundred thirty-four thousand, four hundred eighty".