7449134880 has 192 divisors, whose sum is σ = 26481168000. Its totient is φ = 1743544320.

The previous prime is 7449134843. The next prime is 7449134887. The reversal of 7449134880 is 884319447.

It is a super-2 number, since 2×7449134880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7449134887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128796 + ... + 177444.

It is an arithmetic number, because the mean of its divisors is an integer number (137922750).

Almost surely, 2^7449134880 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 7449134880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13240584000).

7449134880 is an abundant number, since it is smaller than the sum of its proper divisors (19032033120).

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

7449134880 is a wasteful number, since it uses less digits than its factorization.

7449134880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707 (or 48699 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 7449134880 is about 86308.3708570611. The cubic root of 7449134880 is about 1952.9986631557.

The spelling of 7449134880 in words is "seven billion, four hundred forty-nine million, one hundred thirty-four thousand, eight hundred eighty".