380921814068172 has 384 divisors, whose sum is σ = 1072965318082560. Its totient is φ = 104125697786880.

The previous prime is 380921814068137. The next prime is 380921814068179. The reversal of 380921814068172 is 271860418129083.

It is not an unprimeable number, because it can be changed into a prime (380921814068179) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 538323633 + ... + 539030775.

It is an arithmetic number, because the mean of its divisors is an integer number (2794180515840).

Almost surely, 2^{380921814068172} 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 380921814068172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536482659041280).

380921814068172 is an abundant number, since it is smaller than the sum of its proper divisors (692043504014388).

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

380921814068172 is a wasteful number, since it uses less digits than its factorization.

380921814068172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707413 (or 707411 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 380921814068172 in words is "three hundred eighty trillion, nine hundred twenty-one billion, eight hundred fourteen million, sixty-eight thousand, one hundred seventy-two".