471381408 has 36 divisors (see below), whose sum is σ = 1340491698. Its totient is φ = 157127040.

The previous prime is 471381401. The next prime is 471381467. The reversal of 471381408 is 804183174.

It can be written as a sum of positive squares in only one way, i.e., 246741264 + 224640144 = 15708^2 + 14988^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (471381401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818083 + ... + 818658.

Almost surely, 2^471381408 is an apocalyptic number.

471381408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

471381408 is an abundant number, since it is smaller than the sum of its proper divisors (869110290).

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

471381408 is a wasteful number, since it uses less digits than its factorization.

471381408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636757 (or 1636746 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 471381408 is about 21711.3198124849. The cubic root of 471381408 is about 778.2589965590.

The spelling of 471381408 in words is "four hundred seventy-one million, three hundred eighty-one thousand, four hundred eight".