466540641 has 20 divisors (see below), whose sum is σ = 796493632. Its totient is φ = 266594328.

The previous prime is 466540619. The next prime is 466540693. The reversal of 466540641 is 146045664.

466540641 is a `hidden beast` number, since 4 + 6 + 6 + 5 + 4 + 0 + 641 = 666.

It is not a de Polignac number, because 466540641 - 2¹³ = 466532449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 466540596 and 466540605.

It is not an unprimeable number, because it can be changed into a prime (466540241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 410845 + ... + 411978.

Almost surely, 2^466540641 is an apocalyptic number.

It is an amenable number.

466540641 is a deficient number, since it is larger than the sum of its proper divisors (329952991).

466540641 is an equidigital number, since it uses as much as digits as its factorization.

466540641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822842 (or 822833 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 466540641 is about 21599.5518703514. The cubic root of 466540641 is about 775.5857609737.

The spelling of 466540641 in words is "four hundred sixty-six million, five hundred forty thousand, six hundred forty-one".