7040040130 has 8 divisors (see below), whose sum is σ = 12672072252. Its totient is φ = 2816016048.

The previous prime is 7040040121. The next prime is 7040040131. The reversal of 7040040130 is 310400407.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6743201689 + 296838441 = 82117^2 + 17229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7040040098 and 7040040107.

It is not an unprimeable number, because it can be changed into a prime (7040040131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352001997 + ... + 352002016.

Almost surely, 2^7040040130 is an apocalyptic number.

7040040130 is a deficient number, since it is larger than the sum of its proper divisors (5632032122).

7040040130 is a wasteful number, since it uses less digits than its factorization.

7040040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704004020.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7040040130 is about 83904.9469936070. The cubic root of 7040040130 is about 1916.5715844788.

Adding to 7040040130 its reverse (310400407), we get a palindrome (7350440537).

The spelling of 7040040130 in words is "seven billion, forty million, forty thousand, one hundred thirty".