42006412654466 has 16 divisors (see below), whose sum is σ = 67981940707128. Its totient is φ = 19351738512000.

The previous prime is 42006412654463. The next prime is 42006412654517. The reversal of 42006412654466 is 66445621460024.

It can be written as a sum of positive squares in 4 ways, for example, as 23497238286025 + 18509174368441 = 4847395^2 + 4302229^2 .

It is not an unprimeable number, because it can be changed into a prime (42006412654463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493175635 + ... + 1493203766.

Almost surely, 2^{42006412654466} is an apocalyptic number.

42006412654466 is a deficient number, since it is larger than the sum of its proper divisors (25975528052662).

42006412654466 is a wasteful number, since it uses less digits than its factorization.

42006412654466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986379957.

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 42006412654466 in words is "forty-two trillion, six billion, four hundred twelve million, six hundred fifty-four thousand, four hundred sixty-six".