1240362634666 has 8 divisors (see below), whose sum is σ = 1860822121860. Its totient is φ = 620088594048.

The previous prime is 1240362634649. The next prime is 1240362634697. The reversal of 1240362634666 is 6664362630421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 968509888641 + 271852746025 = 984129^2 + 521395^2 .

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

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, 46344921 + ... + 46371676.

Almost surely, 2^{1240362634666} is an apocalyptic number.

1240362634666 is a deficient number, since it is larger than the sum of its proper divisors (620459487194).

1240362634666 is an equidigital number, since it uses as much as digits as its factorization.

1240362634666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92723288.

The product of its (nonzero) digits is 4478976, while the sum is 49.

The spelling of 1240362634666 in words is "one trillion, two hundred forty billion, three hundred sixty-two million, six hundred thirty-four thousand, six hundred sixty-six".