380732550 has 96 divisors (see below), whose sum is σ = 1039112064. Its totient is φ = 92250400.

The previous prime is 380732543. The next prime is 380732551. The reversal of 380732550 is 55237083.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380732551) 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, 198697 + ... + 200603.

It is an arithmetic number, because the mean of its divisors is an integer number (10824084).

Almost surely, 2^380732550 is an apocalyptic number.

380732550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 380732550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519556032).

380732550 is an abundant number, since it is smaller than the sum of its proper divisors (658379514).

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

380732550 is a wasteful number, since it uses less digits than its factorization.

380732550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 380732550 is about 19512.3691539495. The cubic root of 380732550 is about 724.7807819184.

The spelling of 380732550 in words is "three hundred eighty million, seven hundred thirty-two thousand, five hundred fifty".