380161638460 has 48 divisors (see below), whose sum is σ = 825299822592. Its totient is φ = 146943720000.

The previous prime is 380161638407. The next prime is 380161638469. The reversal of 380161638460 is 64836161083.

It is a self number, because there is not a number n which added to its sum of digits gives 380161638460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380161638469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25416 + ... + 872335.

It is an arithmetic number, because the mean of its divisors is an integer number (17193746304).

Almost surely, 2^380161638460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380161638460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412649911296).

380161638460 is an abundant number, since it is smaller than the sum of its proper divisors (445138184132).

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

380161638460 is a wasteful number, since it uses less digits than its factorization.

380161638460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898474 (or 898472 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 380161638460 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred thirty-eight thousand, four hundred sixty".