1005641420466 has 48 divisors (see below), whose sum is σ = 2123016575904. Its totient is φ = 317525298048.

The previous prime is 1005641420423. The next prime is 1005641420473. The reversal of 1005641420466 is 6640241465001.

1005641420466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1005641420466² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17045130 + ... + 17104026.

It is an arithmetic number, because the mean of its divisors is an integer number (44229511998).

Almost surely, 2^{1005641420466} is an apocalyptic number.

1005641420466 is an abundant number, since it is smaller than the sum of its proper divisors (1117375155438).

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

1005641420466 is a wasteful number, since it uses less digits than its factorization.

1005641420466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66823 (or 66804 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 1005641420466 its reverse (6640241465001), we get a palindrome (7645882885467).

The spelling of 1005641420466 in words is "one trillion, five billion, six hundred forty-one million, four hundred twenty thousand, four hundred sixty-six".