476655840 has 120 divisors (see below), whose sum is σ = 1682243640. Its totient is φ = 127104768.

The previous prime is 476655821. The next prime is 476655923. The reversal of 476655840 is 48556674.

476655840 is a `hidden beast` number, since 4 + 7 + 6 + 65 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×476655840² = 454401579612211200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5430 + ... + 31349.

It is an arithmetic number, because the mean of its divisors is an integer number (14018697).

Almost surely, 2^476655840 is an apocalyptic number.

476655840 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 476655840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841121820).

476655840 is an abundant number, since it is smaller than the sum of its proper divisors (1205587800).

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

476655840 is a wasteful number, since it uses less digits than its factorization.

476655840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36806 (or 36789 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 476655840 is about 21832.4492441870. The cubic root of 476655840 is about 781.1509635313.

It can be divided in two parts, 4766 and 55840, that added together give a palindrome (60606).

The spelling of 476655840 in words is "four hundred seventy-six million, six hundred fifty-five thousand, eight hundred forty".