7057065140 has 48 divisors (see below), whose sum is σ = 15204191184. Its totient is φ = 2749824000.

The previous prime is 7057065121. The next prime is 7057065149. The reversal of 7057065140 is 415607507.

It can be written as a sum of positive squares in 8 ways, for example, as 1048334884 + 6008730256 = 32378^2 + 77516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7057065140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057065149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568682 + ... + 580958.

It is an arithmetic number, because the mean of its divisors is an integer number (316753983).

Almost surely, 2^7057065140 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 7057065140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7602095592).

7057065140 is an abundant number, since it is smaller than the sum of its proper divisors (8147126044).

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

7057065140 is a wasteful number, since it uses less digits than its factorization.

7057065140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028 (or 13026 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 7057065140 is about 84006.3398797972. The cubic root of 7057065140 is about 1918.1152964551.

The spelling of 7057065140 in words is "seven billion, fifty-seven million, sixty-five thousand, one hundred forty".