7444490078892 has 12 divisors (see below), whose sum is σ = 17370476850776. Its totient is φ = 2481496692960.

The previous prime is 7444490078891. The next prime is 7444490078923. The reversal of 7444490078892 is 2988700944447.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (7444490078891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310187086609 + ... + 310187086632.

Almost surely, 2^{7444490078892} is an apocalyptic number.

It is an amenable number.

7444490078892 is an abundant number, since it is smaller than the sum of its proper divisors (9925986771884).

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

7444490078892 is a wasteful number, since it uses less digits than its factorization.

7444490078892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620374173248 (or 620374173246 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 66.

The spelling of 7444490078892 in words is "seven trillion, four hundred forty-four billion, four hundred ninety million, seventy-eight thousand, eight hundred ninety-two".