7493544444 has 96 divisors (see below), whose sum is σ = 19723495680. Its totient is φ = 2200255488.

The previous prime is 7493544419. The next prime is 7493544491. The reversal of 7493544444 is 4444453947.

It is a junction number, because it is equal to n+sod(n) for n = 7493544393 and 7493544402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310062 + ... + 333354.

It is an arithmetic number, because the mean of its divisors is an integer number (205453080).

Almost surely, 2^7493544444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7493544444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9861747840).

7493544444 is an abundant number, since it is smaller than the sum of its proper divisors (12229951236).

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

7493544444 is a wasteful number, since it uses less digits than its factorization.

7493544444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23419 (or 23417 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 48.

The square root of 7493544444 is about 86565.2611848425. The cubic root of 7493544444 is about 1956.8720449883.

The spelling of 7493544444 in words is "seven billion, four hundred ninety-three million, five hundred forty-four thousand, four hundred forty-four".