10442406449 has 8 divisors (see below), whose sum is σ = 10825056000. Its totient is φ = 10061261392.

The previous prime is 10442406413. The next prime is 10442406497. The reversal of 10442406449 is 94460424401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10442406449 - 2¹² = 10442402353 is a prime.

It is a super-2 number, since 2×10442406449² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10442406649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361979 + ... + 389760.

It is an arithmetic number, because the mean of its divisors is an integer number (1353132000).

Almost surely, 2^10442406449 is an apocalyptic number.

It is an amenable number.

10442406449 is a deficient number, since it is larger than the sum of its proper divisors (382649551).

10442406449 is an equidigital number, since it uses as much as digits as its factorization.

10442406449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752247.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 10442406449 in words is "ten billion, four hundred forty-two million, four hundred six thousand, four hundred forty-nine".