6040000061 has 4 divisors (see below), whose sum is σ = 6040186812. Its totient is φ = 6039813312.

The previous prime is 6040000049. The next prime is 6040000121. The reversal of 6040000061 is 1600000406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4315176100 + 1724823961 = 65690^2 + 41531^2 .

It is a cyclic number.

It is not a de Polignac number, because 6040000061 - 2⁶ = 6039999997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6039999994 and 6040000039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6040002061) 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, 30950 + ... + 114183.

It is an arithmetic number, because the mean of its divisors is an integer number (1510046703).

Almost surely, 2^6040000061 is an apocalyptic number.

It is an amenable number.

6040000061 is a deficient number, since it is larger than the sum of its proper divisors (186751).

6040000061 is a wasteful number, since it uses less digits than its factorization.

6040000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186750.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6040000061 is about 77717.4373033491. The cubic root of 6040000061 is about 1821.1497043777.

Adding to 6040000061 its reverse (1600000406), we get a palindrome (7640000467).

The spelling of 6040000061 in words is "six billion, forty million, sixty-one", and thus it is an aban number and an uban number.