7744444401 has 24 divisors (see below), whose sum is σ = 11047894560. Its totient is φ = 4808865792.

The previous prime is 7744444349. The next prime is 7744444417. The reversal of 7744444401 is 1044444477.

It is not a de Polignac number, because 7744444401 - 2¹⁴ = 7744428017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7744444401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7744444601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471790 + ... + 487928.

It is an arithmetic number, because the mean of its divisors is an integer number (460328940).

Almost surely, 2^7744444401 is an apocalyptic number.

It is an amenable number.

7744444401 is a deficient number, since it is larger than the sum of its proper divisors (3303450159).

7744444401 is a wasteful number, since it uses less digits than its factorization.

7744444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16353 (or 16256 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 39.

The square root of 7744444401 is about 88002.5249694576. The cubic root of 7744444401 is about 1978.4728217237.

Adding to 7744444401 its reverse (1044444477), we get a palindrome (8788888878).

The spelling of 7744444401 in words is "seven billion, seven hundred forty-four million, four hundred forty-four thousand, four hundred one".