7449783456 has 96 divisors (see below), whose sum is σ = 20078549568. Its totient is φ = 2417592320.

The previous prime is 7449783379. The next prime is 7449783491. The reversal of 7449783456 is 6543879447.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-4 number, since 4×7449783456⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7449783396 and 7449783405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660940 + ... + 672116.

It is an arithmetic number, because the mean of its divisors is an integer number (209151558).

Almost surely, 2^7449783456 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 7449783456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10039274784).

7449783456 is an abundant number, since it is smaller than the sum of its proper divisors (12628766112).

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

7449783456 is a wasteful number, since it uses less digits than its factorization.

7449783456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11374 (or 11366 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 57.

The square root of 7449783456 is about 86312.1280933334. The cubic root of 7449783456 is about 1953.0553422789.

The spelling of 7449783456 in words is "seven billion, four hundred forty-nine million, seven hundred eighty-three thousand, four hundred fifty-six".