10040879645 has 4 divisors (see below), whose sum is σ = 12049055580. Its totient is φ = 8032703712.

The previous prime is 10040879621. The next prime is 10040879683. The reversal of 10040879645 is 54697804001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54697804001 = 72559 ⋅753839.

It can be written as a sum of positive squares in 2 ways, for example, as 4478554084 + 5562325561 = 66922^2 + 74581^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040879645 - 2⁶ = 10040879581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10040879596 and 10040879605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004087960 + ... + 1004087969.

It is an arithmetic number, because the mean of its divisors is an integer number (3012263895).

Almost surely, 2^10040879645 is an apocalyptic number.

It is an amenable number.

10040879645 is a deficient number, since it is larger than the sum of its proper divisors (2008175935).

10040879645 is an equidigital number, since it uses as much as digits as its factorization.

10040879645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008175934.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 10040879645 in words is "ten billion, forty million, eight hundred seventy-nine thousand, six hundred forty-five".