7444246640 has 40 divisors (see below), whose sum is σ = 17904702240. Its totient is φ = 2875018496.

The previous prime is 7444246639. The next prime is 7444246643. The reversal of 7444246640 is 466424447.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444246643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602044 + ... + 1606683.

It is an arithmetic number, because the mean of its divisors is an integer number (447617556).

Almost surely, 2^7444246640 is an apocalyptic number.

It is an amenable number.

7444246640 is an abundant number, since it is smaller than the sum of its proper divisors (10460455600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7444246640 is a wasteful number, since it uses less digits than its factorization.

7444246640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208769 (or 3208763 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 41.

The square root of 7444246640 is about 86280.0477514935. The cubic root of 7444246640 is about 1952.5713734844.

The spelling of 7444246640 in words is "seven billion, four hundred forty-four million, two hundred forty-six thousand, six hundred forty".