7644410401 has 8 divisors (see below), whose sum is σ = 7657967880. Its totient is φ = 7630866432.

The previous prime is 7644410399. The next prime is 7644410483. The reversal of 7644410401 is 1040144467.

It can be written as a sum of positive squares in 4 ways, for example, as 838160401 + 6806250000 = 28951^2 + 82500^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7644410401 - 2¹ = 7644410399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7644413401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164405 + ... + 2167933.

It is an arithmetic number, because the mean of its divisors is an integer number (957245985).

Almost surely, 2^7644410401 is an apocalyptic number.

It is an amenable number.

7644410401 is a deficient number, since it is larger than the sum of its proper divisors (13557479).

7644410401 is a wasteful number, since it uses less digits than its factorization.

7644410401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 7644410401 is about 87432.3189730205. The cubic root of 7644410401 is about 1969.9173181992.

Adding to 7644410401 its reverse (1040144467), we get a palindrome (8684554868).

The spelling of 7644410401 in words is "seven billion, six hundred forty-four million, four hundred ten thousand, four hundred one".