476329840 has 80 divisors (see below), whose sum is σ = 1268490240. Its totient is φ = 162950400.

The previous prime is 476329831. The next prime is 476329859. The reversal of 476329840 is 48923674.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413265 + ... + 414415.

It is an arithmetic number, because the mean of its divisors is an integer number (15856128).

Almost surely, 2^476329840 is an apocalyptic number.

476329840 is a gapful number since it is divisible by the number (40) 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 476329840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634245120).

476329840 is an abundant number, since it is smaller than the sum of its proper divisors (792160400).

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

476329840 is a wasteful number, since it uses less digits than its factorization.

476329840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 476329840 is about 21824.9820160292. The cubic root of 476329840 is about 780.9728383025.

The spelling of 476329840 in words is "four hundred seventy-six million, three hundred twenty-nine thousand, eight hundred forty".