7484449920 has 256 divisors, whose sum is σ = 26134358400. Its totient is φ = 1813446656.

The previous prime is 7484449879. The next prime is 7484449957. The reversal of 7484449920 is 299444847.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 942607 + ... + 950513.

Almost surely, 2^7484449920 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 7484449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13067179200).

7484449920 is an abundant number, since it is smaller than the sum of its proper divisors (18649908480).

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

7484449920 is a wasteful number, since it uses less digits than its factorization.

7484449920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 7484449920 is about 86512.7153660085. The cubic root of 7484449920 is about 1956.0800733359.

The spelling of 7484449920 in words is "seven billion, four hundred eighty-four million, four hundred forty-nine thousand, nine hundred twenty".