1244441401 has 16 divisors (see below), whose sum is σ = 1469657088. Its totient is φ = 1031158800.

The previous prime is 1244441399. The next prime is 1244441411. The reversal of 1244441401 is 1041444421.

It is not a de Polignac number, because 1244441401 - 2¹ = 1244441399 is a prime.

It is a super-3 number, since 3×1244441401³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244441411) 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, 249906 + ... + 254836.

It is an arithmetic number, because the mean of its divisors is an integer number (91853568).

Almost surely, 2^1244441401 is an apocalyptic number.

It is an amenable number.

1244441401 is a deficient number, since it is larger than the sum of its proper divisors (225215687).

1244441401 is a wasteful number, since it uses less digits than its factorization.

1244441401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1244441401 is about 35276.6410107312. The cubic root of 1244441401 is about 1075.6182204953.

Adding to 1244441401 its reverse (1041444421), we get a palindrome (2285885822).

The spelling of 1244441401 in words is "one billion, two hundred forty-four million, four hundred forty-one thousand, four hundred one".