476664540 has 96 divisors (see below), whose sum is σ = 1480792320. Its totient is φ = 113587200.

The previous prime is 476664497. The next prime is 476664557. The reversal of 476664540 is 45466674.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 476664492 and 476664501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32820 + ... + 45060.

It is an arithmetic number, because the mean of its divisors is an integer number (15424920).

Almost surely, 2^476664540 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 476664540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740396160).

476664540 is an abundant number, since it is smaller than the sum of its proper divisors (1004127780).

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

476664540 is a wasteful number, since it uses less digits than its factorization.

476664540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323 (or 12321 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 476664540 is about 21832.6484879870. The cubic root of 476664540 is about 781.1557160673.

The spelling of 476664540 in words is "four hundred seventy-six million, six hundred sixty-four thousand, five hundred forty".