427433518656 has 63 divisors (see below), whose sum is σ = 1225205982273. Its totient is φ = 142472609280.

The previous prime is 427433518637. The next prime is 427433518691. The reversal of 427433518656 is 656815334724.

The square root of 427433518656 is 653784.

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

427433518656 is a `hidden beast` number, since 4 + 2 + 74 + 3 + 3 + 518 + 6 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 426429896256 + 1003622400 = 653016^2 + 31680^2 .

It is a super-3 number, since 3×427433518656³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15677196 + ... + 15704436.

Almost surely, 2^427433518656 is an apocalyptic number.

427433518656 is the 653784-th square number.

It is an amenable number.

427433518656 is an abundant number, since it is smaller than the sum of its proper divisors (797772463617).

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

427433518656 is an frugal number, since it uses more digits than its factorization.

427433518656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54500 (or 27246 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 427433518656 in words is "four hundred twenty-seven billion, four hundred thirty-three million, five hundred eighteen thousand, six hundred fifty-six".