7158894480 has 640 divisors, whose sum is σ = 28455321600. Its totient is φ = 1642291200.

The previous prime is 7158894469. The next prime is 7158894481. The reversal of 7158894480 is 844988517.

7158894480 is a `hidden beast` number, since 7 + 158 + 8 + 9 + 4 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7158894481) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21627915 + ... + 21628245.

It is an arithmetic number, because the mean of its divisors is an integer number (44461440).

Almost surely, 2^7158894480 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 7158894480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14227660800).

7158894480 is an abundant number, since it is smaller than the sum of its proper divisors (21296427120).

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

7158894480 is a wasteful number, since it uses less digits than its factorization.

7158894480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 7158894480 is about 84610.2504428394. The cubic root of 7158894480 is about 1927.2970368736.

The spelling of 7158894480 in words is "seven billion, one hundred fifty-eight million, eight hundred ninety-four thousand, four hundred eighty".