1444101406 has 16 divisors (see below), whose sum is σ = 2386021248. Its totient is φ = 650035800.

The previous prime is 1444101389. The next prime is 1444101413. The reversal of 1444101406 is 6041014441.

It is a happy number.

It is a super-2 number, since 2×1444101406² = 4170857741622353672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316380 + ... + 320911.

It is an arithmetic number, because the mean of its divisors is an integer number (149126328).

Almost surely, 2^1444101406 is an apocalyptic number.

1444101406 is a deficient number, since it is larger than the sum of its proper divisors (941919842).

1444101406 is a wasteful number, since it uses less digits than its factorization.

1444101406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637407.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1444101406 is about 38001.3342660491. The cubic root of 1444101406 is about 1130.3143214149.

Adding to 1444101406 its reverse (6041014441), we get a palindrome (7485115847).

The spelling of 1444101406 in words is "one billion, four hundred forty-four million, one hundred one thousand, four hundred six".