7049681280 has 192 divisors, whose sum is σ = 24561126720. Its totient is φ = 1863106560.

The previous prime is 7049681279. The next prime is 7049681341. The reversal of 7049681280 is 821869407.

7049681280 is a `hidden beast` number, since 7 + 0 + 496 + 81 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×7049681280² = 99396012299164876800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645465 + ... + 656295.

It is an arithmetic number, because the mean of its divisors is an integer number (127922535).

Almost surely, 2^7049681280 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 7049681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12280563360).

7049681280 is an abundant number, since it is smaller than the sum of its proper divisors (17511445440).

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

7049681280 is a wasteful number, since it uses less digits than its factorization.

7049681280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969 (or 10954 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 7049681280 is about 83962.3801473017. The cubic root of 7049681280 is about 1917.4460835431.

The spelling of 7049681280 in words is "seven billion, forty-nine million, six hundred eighty-one thousand, two hundred eighty".