380423522128 has 80 divisors (see below), whose sum is σ = 829816638336. Its totient is φ = 167634593280.

The previous prime is 380423522117. The next prime is 380423522137. The reversal of 380423522128 is 821225324083.

It is a congruent number.

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, 2514651 + ... + 2661637.

Almost surely, 2^380423522128 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 380423522128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414908319168).

380423522128 is an abundant number, since it is smaller than the sum of its proper divisors (449393116208).

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

380423522128 is a wasteful number, since it uses less digits than its factorization.

380423522128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147572 (or 147566 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 380423522128 in words is "three hundred eighty billion, four hundred twenty-three million, five hundred twenty-two thousand, one hundred twenty-eight".