476448021 has 48 divisors (see below), whose sum is σ = 847649280. Its totient is φ = 263450880.

The previous prime is 476448019. The next prime is 476448031. The reversal of 476448021 is 120844674.

476448021 is a `hidden beast` number, since 4 + 7 + 644 + 8 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 476448021 - 2¹ = 476448019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476448031) 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, 35205 + ... + 46821.

It is an arithmetic number, because the mean of its divisors is an integer number (17659360).

Almost surely, 2^476448021 is an apocalyptic number.

It is an amenable number.

476448021 is a deficient number, since it is larger than the sum of its proper divisors (371201259).

476448021 is a wasteful number, since it uses less digits than its factorization.

476448021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671 (or 11658 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 476448021 is about 21827.6893188445. The cubic root of 476448021 is about 781.0374213646.

The spelling of 476448021 in words is "four hundred seventy-six million, four hundred forty-eight thousand, twenty-one".