426727723536 has 45 divisors (see below), whose sum is σ = 1194266887021. Its totient is φ = 142239961536.

The previous prime is 426727723519. The next prime is 426727723553. The reversal of 426727723536 is 635327727624.

The square root of 426727723536 is 653244.

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

426727723536 is a `hidden beast` number, since 4 + 2 + 67 + 27 + 7 + 23 + 536 = 666.

It is an interprime number because it is at equal distance from previous prime (426727723519) and next prime (426727723553).

It can be written as a sum of positive squares in only one way, i.e., 49417290000 + 377310433536 = 222300^2 + 614256^2 .

It is a super-3 number, since 3×426727723536³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7811710 + ... + 7866146.

Almost surely, 2^426727723536 is an apocalyptic number.

426727723536 is the 653244-th square number.

It is an amenable number.

426727723536 is an abundant number, since it is smaller than the sum of its proper divisors (767539163485).

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

426727723536 is an frugal number, since it uses more digits than its factorization.

426727723536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108888 (or 54442 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 54.

The spelling of 426727723536 in words is "four hundred twenty-six billion, seven hundred twenty-seven million, seven hundred twenty-three thousand, five hundred thirty-six".