7949494080 has 336 divisors, whose sum is σ = 29955744000. Its totient is φ = 1918955520.

The previous prime is 7949494051. The next prime is 7949494153. The reversal of 7949494080 is 804949497.

It is a happy number.

7949494080 is a `hidden beast` number, since 79 + 4 + 9 + 494 + 0 + 80 = 666.

It is a super-2 number, since 2×7949494080² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11055961 + ... + 11056679.

It is an arithmetic number, because the mean of its divisors is an integer number (89154000).

Almost surely, 2^7949494080 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 7949494080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14977872000).

7949494080 is an abundant number, since it is smaller than the sum of its proper divisors (22006249920).

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

7949494080 is a wasteful number, since it uses less digits than its factorization.

7949494080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 7949494080 is about 89159.9353970156. The cubic root of 7949494080 is about 1995.7822850260.

The spelling of 7949494080 in words is "seven billion, nine hundred forty-nine million, four hundred ninety-four thousand, eighty".