10245442556642 has 16 divisors (see below), whose sum is σ = 15458139309240. Its totient is φ = 5092765012992.

The previous prime is 10245442556627. The next prime is 10245442556651. The reversal of 10245442556642 is 24665524454201.

It can be written as a sum of positive squares in 4 ways, for example, as 7276889300041 + 2968553256601 = 2697571^2 + 1722949^2 .

It is a super-2 number, since 2×10245442556642² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8312717 + ... + 9465312.

Almost surely, 2^{10245442556642} is an apocalyptic number.

10245442556642 is a deficient number, since it is larger than the sum of its proper divisors (5212696752598).

10245442556642 is a wasteful number, since it uses less digits than its factorization.

10245442556642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779717.

The product of its (nonzero) digits is 9216000, while the sum is 50.

The spelling of 10245442556642 in words is "ten trillion, two hundred forty-five billion, four hundred forty-two million, five hundred fifty-six thousand, six hundred forty-two".