6466020640242 has 8 divisors (see below), whose sum is σ = 12932041280496. Its totient is φ = 2155340213412.

The previous prime is 6466020640109. The next prime is 6466020640259. The reversal of 6466020640242 is 2420460206646.

It is a sphenic number, since it is the product of 3 distinct primes.

6466020640242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6466020640194 and 6466020640203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538835053348 + ... + 538835053359.

It is an arithmetic number, because the mean of its divisors is an integer number (1616505160062).

Almost surely, 2^{6466020640242} is an apocalyptic number.

6466020640242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6466020640242 is a wasteful number, since it uses less digits than its factorization.

6466020640242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077670106712.

The product of its (nonzero) digits is 663552, while the sum is 42.

Adding to 6466020640242 its reverse (2420460206646), we get a palindrome (8886480846888).

The spelling of 6466020640242 in words is "six trillion, four hundred sixty-six billion, twenty million, six hundred forty thousand, two hundred forty-two".