475283390464 has 51 divisors (see below), whose sum is σ = 950912633953. Its totient is φ = 237553451008.

The previous prime is 475283390437. The next prime is 475283390489. The reversal of 475283390464 is 464093382574.

The square root of 475283390464 is 689408.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 195010560000 + 280272830464 = 441600^2 + 529408^2 .

It is a super-2 number, since 2×475283390464² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 176487102 + ... + 176489794.

Almost surely, 2^475283390464 is an apocalyptic number.

475283390464 is the 689408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475283390464

475283390464 is an abundant number, since it is smaller than the sum of its proper divisors (475629243489).

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

475283390464 is an frugal number, since it uses more digits than its factorization.

475283390464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 475283390464 in words is "four hundred seventy-five billion, two hundred eighty-three million, three hundred ninety thousand, four hundred sixty-four".