10642641620026 has 8 divisors (see below), whose sum is σ = 17191959540084. Its totient is φ = 4911988440000.

The previous prime is 10642641619999. The next prime is 10642641620029. The reversal of 10642641620026 is 62002614624601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9218807990001 + 1423833630025 = 3036249^2 + 1193245^2 .

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

It is a super-2 number, since 2×10642641620026² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10642641620029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204666184975 + ... + 204666185026.

Almost surely, 2^{10642641620026} is an apocalyptic number.

10642641620026 is a deficient number, since it is larger than the sum of its proper divisors (6549317920058).

10642641620026 is a wasteful number, since it uses less digits than its factorization.

10642641620026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409332370016.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 10642641620026 in words is "ten trillion, six hundred forty-two billion, six hundred forty-one million, six hundred twenty thousand, twenty-six".