380812432 has 240 divisors, whose sum is σ = 1045647360. Its totient is φ = 130291200.

The previous prime is 380812409. The next prime is 380812433. The reversal of 380812432 is 234218083.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 380812394 and 380812403.

It is not an unprimeable number, because it can be changed into a prime (380812433) 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, 6454419 + ... + 6454477.

It is an arithmetic number, because the mean of its divisors is an integer number (4356864).

Almost surely, 2^380812432 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 380812432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522823680).

380812432 is an abundant number, since it is smaller than the sum of its proper divisors (664834928).

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

380812432 is a wasteful number, since it uses less digits than its factorization.

380812432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 380812432 is about 19514.4160045849. The cubic root of 380812432 is about 724.8314674453.

The spelling of 380812432 in words is "three hundred eighty million, eight hundred twelve thousand, four hundred thirty-two".