10440202312 has 8 divisors (see below), whose sum is σ = 19575379350. Its totient is φ = 5220101152.

The previous prime is 10440202301. The next prime is 10440202319. The reversal of 10440202312 is 21320204401.

It can be written as a sum of positive squares in only one way, i.e., 9583235236 + 856967076 = 97894^2 + 29274^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10440202312.

It is not an unprimeable number, because it can be changed into a prime (10440202319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652512637 + ... + 652512652.

Almost surely, 2^10440202312 is an apocalyptic number.

It is an amenable number.

10440202312 is a deficient number, since it is larger than the sum of its proper divisors (9135177038).

10440202312 is a wasteful number, since it uses less digits than its factorization.

10440202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305025295 (or 1305025291 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10440202312 its reverse (21320204401), we get a palindrome (31760406713).

The spelling of 10440202312 in words is "ten billion, four hundred forty million, two hundred two thousand, three hundred twelve".