10244005864 has 8 divisors (see below), whose sum is σ = 19207511010. Its totient is φ = 5122002928.

The previous prime is 10244005861. The next prime is 10244005879. The reversal of 10244005864 is 46850044201.

It can be written as a sum of positive squares in only one way, i.e., 5724132964 + 4519872900 = 75658^2 + 67230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10244005864² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10244005861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640250359 + ... + 640250374.

Almost surely, 2^10244005864 is an apocalyptic number.

It is an amenable number.

10244005864 is a deficient number, since it is larger than the sum of its proper divisors (8963505146).

10244005864 is a wasteful number, since it uses less digits than its factorization.

10244005864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280500739 (or 1280500735 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 10244005864 in words is "ten billion, two hundred forty-four million, five thousand, eight hundred sixty-four".