471191380 has 72 divisors (see below), whose sum is σ = 1146843936. Its totient is φ = 161241600.

The previous prime is 471191353. The next prime is 471191381. The reversal of 471191380 is 83191174.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471191381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59875 + ... + 67285.

It is an arithmetic number, because the mean of its divisors is an integer number (15928388).

Almost surely, 2^471191380 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 471191380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573421968).

471191380 is an abundant number, since it is smaller than the sum of its proper divisors (675652556).

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

471191380 is a wasteful number, since it uses less digits than its factorization.

471191380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7465 (or 7446 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 471191380 is about 21706.9431288701. The cubic root of 471191380 is about 778.1544026459.

The spelling of 471191380 in words is "four hundred seventy-one million, one hundred ninety-one thousand, three hundred eighty".