426985140481 has 9 divisors (see below), whose sum is σ = 436294605441. Its totient is φ = 417870291972.

The previous prime is 426985140467. The next prime is 426985140497. The reversal of 426985140481 is 184041589624.

The square root of 426985140481 is 653441.

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

It is not a de Polignac number, because 426985140481 - 2¹⁵ = 426985107713 is a prime.

It is a super-2 number, since 2×426985140481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426985140401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30704776 + ... + 30718678.

Almost surely, 2^426985140481 is an apocalyptic number.

426985140481 is the 653441-st square number.

426985140481 is the 326721-st centered octagonal number.

It is an amenable number.

426985140481 is a deficient number, since it is larger than the sum of its proper divisors (9309464960).

426985140481 is an frugal number, since it uses more digits than its factorization.

426985140481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27900 (or 13950 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 426985140481 in words is "four hundred twenty-six billion, nine hundred eighty-five million, one hundred forty thousand, four hundred eighty-one".