10440213999 has 4 divisors (see below), whose sum is σ = 13920285336. Its totient is φ = 6960142664.

The previous prime is 10440213997. The next prime is 10440214009. The reversal of 10440213999 is 99931204401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10440213999 - 2¹ = 10440213997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10440213999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440213997) 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, 1740035664 + ... + 1740035669.

It is an arithmetic number, because the mean of its divisors is an integer number (3480071334).

Almost surely, 2^10440213999 is an apocalyptic number.

10440213999 is a deficient number, since it is larger than the sum of its proper divisors (3480071337).

10440213999 is an equidigital number, since it uses as much as digits as its factorization.

10440213999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480071336.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 10440213999 in words is "ten billion, four hundred forty million, two hundred thirteen thousand, nine hundred ninety-nine".