744380400401 has 16 divisors (see below), whose sum is σ = 840274344000. Its totient is φ = 653202580800.

The previous prime is 744380400331. The next prime is 744380400427. The reversal of 744380400401 is 104004083447.

It is a de Polignac number, because none of the positive numbers 2^k-744380400401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (744380400481) 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, 913550 + ... + 1524248.

It is an arithmetic number, because the mean of its divisors is an integer number (52517146500).

Almost surely, 2^744380400401 is an apocalyptic number.

It is an amenable number.

744380400401 is a deficient number, since it is larger than the sum of its proper divisors (95893943599).

744380400401 is a wasteful number, since it uses less digits than its factorization.

744380400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614560.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 744380400401 its reverse (104004083447), we get a palindrome (848384483848).

The spelling of 744380400401 in words is "seven hundred forty-four billion, three hundred eighty million, four hundred thousand, four hundred one".