1444429427 has 16 divisors (see below), whose sum is σ = 1688573952. Its totient is φ = 1209818400.

The previous prime is 1444429397. The next prime is 1444429451. The reversal of 1444429427 is 7249244441.

It is a happy number.

It is not a de Polignac number, because 1444429427 - 2⁸ = 1444429171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444489427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227498 + ... + 233760.

It is an arithmetic number, because the mean of its divisors is an integer number (105535872).

Almost surely, 2^1444429427 is an apocalyptic number.

1444429427 is a deficient number, since it is larger than the sum of its proper divisors (244144525).

1444429427 is an equidigital number, since it uses as much as digits as its factorization.

1444429427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018.

The product of its digits is 258048, while the sum is 41.

The square root of 1444429427 is about 38005.6499352399. The cubic root of 1444429427 is about 1130.3998968376.

The spelling of 1444429427 in words is "one billion, four hundred forty-four million, four hundred twenty-nine thousand, four hundred twenty-seven".