386949716280 has 192 divisors, whose sum is σ = 1292397780960. Its totient is φ = 100333845504.

The previous prime is 386949716267. The next prime is 386949716281. The reversal of 386949716280 is 82617949683.

386949716280 is a `hidden beast` number, since 3 + 8 + 6 + 9 + 497 + 1 + 62 + 80 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386949716281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23075179 + ... + 23091941.

Almost surely, 2^386949716280 is an apocalyptic number.

386949716280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386949716280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646198890480).

386949716280 is an abundant number, since it is smaller than the sum of its proper divisors (905448064680).

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

386949716280 is a wasteful number, since it uses less digits than its factorization.

386949716280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18550 (or 18543 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 386949716280 in words is "three hundred eighty-six billion, nine hundred forty-nine million, seven hundred sixteen thousand, two hundred eighty".