380529240 has 128 divisors (see below), whose sum is σ = 1405071360. Its totient is φ = 80285184.

The previous prime is 380529161. The next prime is 380529251. The reversal of 380529240 is 42925083.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6504 + ... + 28343.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^380529240 is an apocalyptic number.

380529240 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 380529240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702535680).

380529240 is an abundant number, since it is smaller than the sum of its proper divisors (1024542120).

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

380529240 is a wasteful number, since it uses less digits than its factorization.

380529240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34881 (or 34877 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 380529240 is about 19507.1586859799. The cubic root of 380529240 is about 724.6517487185.

The spelling of 380529240 in words is "three hundred eighty million, five hundred twenty-nine thousand, two hundred forty".